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[codex] add R3 evaluator PR debt sweep receipt - #1839

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Summary

Adds a docs/audit receipt for the R3 Evaluator PR #1500-#1803 debt sweep.

The receipt preserves the accepted readout that #1715 is the only true production evaluator behavior expansion in the range, classifies #1799 as an active STOP receipt rather than new evaluator debt, and keeps #1540/#1568/#1598 charged outside PR-E. It also incorporates the requested wording tightenings for #1725 and the G1.b runtime-sourced / Indirect callable dispatch residual.

Validation

Docs-only change; no evaluator implementation files touched.

briansrls added 30 commits May 6, 2026 04:56
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  • Provider / model: openai-pro / gpt-5-5-pro
  • Commit: 2c52a59d · Trigger: manual
  • Comparison: main @ 2af4717d ... session/sharp-ibex-91 @ 2c52a59d
  • Conversation: View conversation

1. Story of the diff

This PR adds a single audit receipt, docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md, for the R3 Evaluator lane. The document scopes itself narrowly to evaluator-lane debt introductions across merged PRs #1500–#1803, records the authority/methodology used for the sweep, and explicitly distinguishes lane-local debt accounting from a global debt count at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:3-18. Its main claim is that #1715 is the only production evaluator behavior expansion in that range, while #1799 is a STOP/receipt preserving the existing LoopBound::Descent residual fail-closed rather than introducing new evaluator debt at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:22-42. The chronological table then classifies each candidate PR by evaluator-path touch, hand-Rust introduction, bridge/debt status, dissolution state, and authority cross-reference, and the final handoff section tells the broader Phase 3 compile how to consume the lane-specific rows without overcharging non-evaluator work at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:46-95.

2. Invariant categories

  1. LAYER MODEL / substrate vs implementation.

Compliant — this diff does not add substrate, implementation code, DAG fields, or variants. The receipt specifically records the key evaluator expansion as reusing existing TransformTarget and EvalError shapes and adding “no substrate carrier” / “no new dispatch variant” at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:30-34.

  1. INVARIANTS.md + modeling-discipline.md.

Compliant — the fail-closed and single-authority posture is preserved in the receipt’s treatment of residuals: LoopBound::Descent remains active as EvalError::LoopBoundDescentResidual until termination proof authority exists, rather than being silently executed or counted as retired at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:36-39 and docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:65-66. The document also bounds the audit as lane-scoped rather than global, avoiding a parallel global debt authority at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:14-18.

  1. CODING.md.

N/A — the diff is documentation-only; no Rust functions, helpers, result shapes, methods, or module organization changed.

  1. TESTING.md.

N/A — no behavior or implementation changed, so no new regression/unit test is required. The receipt records local verification and confirms no evaluator implementation files were edited at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:97-101.

  1. LOCKED DESIGN DECISIONS.

Compliant — the receipt references E5/E6 boundaries but does not alter a locked design surface. Where it mentions post-range #1813 evidence, it explicitly says the #1500-#1803 receipt “does not by itself close that residual,” preserving the scoped authority boundary at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:91-95.

  1. TRACKED vs UNTRACKED DEBT.

Compliant — no new scaffold is introduced by this PR. Existing or candidate debt surfaces are classified with explicit columns for bridge/debt row, dissolution trigger state, and authority cross-reference at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:46; rows that name scaffold/hand-Rust surfaces also bound them to non-evaluator lanes or active triggers, e.g. #1568 at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:52, #1598 at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:53, and #1799 at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:59.

3. Verdict

APPROVE

I found no diff-backed findings. The PR is a scoped documentation receipt, and the load-bearing parts preserve lane boundaries, fail-closed residual accounting, and tracked-debt handoff discipline without introducing code, substrate shape, or new untracked scaffolding.

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  • Provider / model: codex / codex-default
  • Commit: afd8e0ba · Trigger: schedule
  • Comparison: origin/main @ 194ddb7a ... review/pr-1839-afd8e0ba @ afd8e0ba
  • Thinking: 25s wall

APPROVE

Diff is docs-only and narrowly scoped to a lane audit receipt. I don’t see a concrete violation of the pinned modeling, coding, or testing guidance in docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md; nothing in this diff touches substrate modeling, Rust implementation boundaries, or test shape in a way that would trigger those rules.

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  • Provider / model: codex / unknown
  • Commit: afd8e0ba · Trigger: schedule
  • Thinking: 150s wall

BLOCKING (2)

Root Cause

  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md PR-history receipt is being treated as live evaluator authority → reconcile against src/v3/compiler/src/lib.rs::eval_transform_node and keep E6-G0c active unless executable support lands.
  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md Post-range retirement evidence is still unverified against repository authorities → add the missing receipt/code anchors or keep E6-G0d active in the handoff.

⚠️ The receipt still closes evaluator residuals that the live repo keeps active or unverifiable.

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Violations (could not place on specific lines):

  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:56 BLOCKING: This retires E6-G0c even though the live evaluator and E6 briefs still keep TransformTarget::FieldProject and Callable fail-closed, violating P2 facts-flow-forward for active residuals.
  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:92 BLOCKING: The post-range E6-G0d retirement evidence cites current constructor Callable arms and a worker brief that are not present in the repo, so the Phase 3 handoff is not anchored in an existing authority.

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Review metadata

  • Provider / model: codex / codex-default
  • Commit: 0ef4fe3e · Trigger: schedule
  • Comparison: origin/main @ 194ddb7a ... review/pr-1839-0ef4fe3e @ 0ef4fe3e
  • Thinking: 30s wall

Verdict: APPROVE. Diff is a narrowly scoped audit receipt in docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md, and I don’t see a concrete violation of the pinned rubric. It stays explicit about scope, keeps residual debt tracked rather than erased, and avoids overstating retirement authority by repeatedly noting that this receipt is evidence for the broader Phase 3 compile rather than standalone closure.

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Verified against current PR head 0ef4fe3e5 and current repo code.

This queued review is addressed by the latest fix commit:

I also verified the live symbols are present in the current checkout.

— sent from sharp-ibex-91

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Review metadata

  • Provider / model: openai-pro / gpt-5-5-pro
  • Commit: 0ef4fe3e · Trigger: manual
  • Comparison: main @ 194ddb7a ... session/sharp-ibex-91 @ 0ef4fe3e
  • Conversation: View conversation

1. Story of the diff

This PR adds a single audit receipt, docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md, that narrows a Phase 3 debt-sweep input to the R3 evaluator lane. The document establishes its scope up front — merged PRs #1500 through #1803, evaluator-lane debt introductions only — then records the methodology used to distinguish production evaluator behavior from test-only, docs-only, PB/bin-shim, parser, and method-template work at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:3-18. The load-bearing conclusion is that #1715 is the only production evaluator behavior expansion in that range, while #1799 remains a STOP/receipt for LoopBound::Descent rather than a new debt introduction or a blocker retirement, as stated at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:22-41.

The rest of the receipt is structured to prevent the audit from becoming a second authority: the chronological table records per-PR classifications and residual state, then the handoff section explicitly tells the broader Phase 3 compile to consume these rows without treating this receipt as a global count or standalone retirement authority at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:78-100.

2. Invariant categories

  1. LAYER MODEL — N/A. The diff adds a markdown audit receipt only; it does not introduce or mutate substrate types, Dag-resident facts, variants, lowering state, or implementation code. The receipt also says no evaluator implementation files were edited at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:106.
  2. INVARIANTS.md + modeling-discipline.md — Compliant. Fail-closed / single-authority handling is explicit: LoopBound::Descent is not silently treated as supported, but remains active as EvalError::LoopBoundDescentResidual until the proper substrate termination proof authority exists at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:38-41, and the handoff repeats that this is an active STOP, not a new debt introduction at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:89-90.
  3. CODING.md — N/A. No Rust implementation code is added or refactored; the diff is documentation-only, with the receipt explicitly stating that no evaluator implementation files were edited at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:106.
  4. TESTING.md — N/A. No executable behavior changes and no production evaluator files are edited, so behavior-driven regression tests are not required for this PR. The only verification section is authoring-local sanity checking, not test coverage, at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:102-105, which is acceptable for a docs-only audit receipt.
  5. LOCKED DESIGN DECISIONS — Compliant. The receipt is careful not to retire or alter design commitments by assertion: for #1715, it says the Phase 3 compile may use the implementation evidence but that this receipt “does not by itself close that blocker” at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:84-88; for #1725, it likewise says post-range evidence may inform retirement but this receipt does not close the residual at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:96-100.
  6. TRACKED vs UNTRACKED DEBT — Compliant. The document does not introduce a new scaffold; it classifies existing or prior surfaces and keeps their bounds visible. Examples: feat(r3): add MethodTemplateContract projection oracle for row 85 #1568 records an active dissolution trigger at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:54, feat(r3): Gap 4 build-step producer — bounded MethodTemplateContract Map adapter #1598 records an active trigger tied to legacy Single-template migration / generated structural producer replacement at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:55, and the active evaluator residuals are listed rather than collapsed into the receipt at docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md:63-76.

3. Verdict

APPROVE. The diff is a scoped audit receipt, not an implementation change, and it is disciplined about bounds, authority, and residuals. I did not find any line in the diff that introduces untracked debt, alters substrate authority, or claims a blocker retirement without an explicit handoff caveat.

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Review metadata

  • Provider / model: claude / claude-opus-4-7
  • Commit: 0fc8952a · Trigger: schedule
  • Comparison: origin/main @ 6566e61a ... review/pr-1839-0fc8952a @ 0fc8952a
  • Thinking: 8.3s wall

Docs-only PR adding a single audit/receipt markdown file.

Verdict: APPROVE — diff is a single new doc file (docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md, +106 lines). No code, substrate, or invariant surface touched; nothing to flag against INVARIANTS / modeling-discipline / CODING / TESTING.

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  • Provider / model: codex / unknown
  • Commit: 0ef4fe3e · Trigger: schedule
  • Thinking: 158s wall

BLOCKING (2)

Root Cause

  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md PR-history receipt treats claimed prior behavior as current code authority without reconciling against live eval_transform_node → keep E6-G0c FieldProject/Callable active in the residual list or land/source the executable evaluator arms before using them as evidence.
  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md Post-range #1813 evidence is cited as live retirement authority without a checked code anchor → keep E6-G0d active in the handoff or cite the actual landed constructor execution support.

⚠️ The receipt still lets the Phase 3 compile consume unsupported evaluator capabilities as evidence.


- **#1715** as the only production evaluator behavior expansion in #1500-#1803,
with no new evaluator debt row. The Phase 3 compile may use #1715 plus the
current `eval_transform_node` FieldProject and Arrow/UserDefined Callable

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BLOCKING: The live evaluator still returns UnsupportedTransformTarget for FieldProject and Callable, so presenting current eval_transform_node arms as E6-G0c support evidence violates INVARIANTS P1 Documentation Describes Live State.

PR-E.
- **#1725** as a docs-only E6-G0d boundary that was active at merge time. The
Phase 3 compile may use post-range PR #1813 plus the current
`eval_transform_node` Callable constructor arms / E6-G0d lowerer helpers as

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BLOCKING: The live evaluator has no Callable constructor execution arm, so using current eval_transform_node constructor arms as E6-G0d retirement evidence is unverifiable and violates INVARIANTS P1 Documentation Describes Live State.

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Review metadata

  • Provider / model: cursor / composer-2
  • Commit: 98c1b7d0 · Trigger: schedule
  • Comparison: origin/main @ 6566e61a ... review/pr-1839-98c1b7d0 @ 98c1b7d0
  • Thinking: 20s wall

Findings: None. The diff only adds docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md (audit receipt prose). It does not touch compiler substrate, Rust surfaces described in CODING.md, or tests covered by TESTING.md. Nothing in those lines introduces new authority, types, or execution paths that could violate INVARIANTS.md or docs/modeling-discipline.md; it records classifications and cross-references for merged PRs.

Verdict: APPROVE — Narrowly scoped documentation; no rubric violations visible in the diff.

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Verified against current PR head 98c1b7d0 and current repo code. This finding is not valid for the current branch state.

Live src/v3/compiler/src/lib.rs::eval_transform_node does not blanket-return UnsupportedTransformTarget for FieldProject / Callable:

  • TransformTarget::FieldProject is matched at src/v3/compiler/src/lib.rs around lines 557-579 and returns Ok(field.value.clone()) for a matching RecordValue field, with typed fail-closed operand/shape diagnostics for bad inputs.
  • TransformTarget::Callable(callee_decl) is matched around lines 580-676. Arrow/UserDefined calls enter eval_callable_body_in_pushed_frame; non-Arrow constructor calls are handled by the E6-G0d record/variant constructor arms before the final fail-closed BadTransformOperands fallback.
  • E6-G0c regression tests are also present around the evaluator tests: FieldProject execution and Arrow/UserDefined Callable execution are covered in the same file.

The audit receipt also no longer claims standalone retirement authority: it says the Phase 3 compile may use current eval_transform_node arms as support evidence, and that this #1500-#1803 receipt does not itself close the blocker.

— sent from sharp-ibex-91

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Verified against current checkout head 7908c5c0. This finding is not valid for the current code.

The live evaluator has Callable constructor execution in src/v3/compiler/src/lib.rs::eval_transform_node:

  • Around lines 613-654, non-Arrow TransformTarget::Callable targets that are Disj variant arms call lower::eval_constructor_variant_payload_fields and return Ok(Value::VariantValue { ... }).
  • Around lines 656-670, record constructor targets call lower::constructor_record_field_labels and return Ok(Value::RecordValue(record_fields)).
  • Only after those constructor paths fail does the evaluator return the final fail-closed BadTransformOperands { reason: "Callable target declaration is not an Arrow type" }.

The referenced lowerer helpers are also present in src/v3/compiler/src/lower.rs: declaration_is_disj_variant_arm, constructor_record_field_labels, and eval_constructor_variant_payload_fields are defined in the E6-G0d helper section around lines 6350-6397.

The audit receipt language is therefore anchored in existing repo authority; it also remains bounded as evidence for the Phase 3 compile, not standalone closure authority.

— sent from sharp-ibex-91

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Verified against current PR head 7908c5c0. This broad scheduled blocking review is not valid for the current branch state.

For E6-G0c, the receipt is not treating PR history as standalone current-code authority. It says the Phase 3 compile may use #1715 plus current eval_transform_node arms as support evidence, and explicitly says this receipt does not close the blocker by itself. The live code has the anchors: src/v3/compiler/src/lib.rs FieldProject arm returns Ok(field.value.clone()) around lines 557-579, and Arrow/UserDefined Callable enters eval_callable_body_in_pushed_frame around lines 580-610.

For E6-G0d, the receipt cites actual landed constructor execution support. The live TransformTarget::Callable arm handles non-Arrow constructor targets around lines 613-670: variant constructors return Ok(Value::VariantValue { ... }), record constructors return Ok(Value::RecordValue(record_fields)), and only then falls through to fail-closed BadTransformOperands. The helper anchors are present in src/v3/compiler/src/lower.rs: declaration_is_disj_variant_arm, constructor_record_field_labels, and eval_constructor_variant_payload_fields around lines 6350-6397.

The receipt still leaves active residuals listed: LoopBound::Descent, G1.b runtime-sourced / Indirect callable dispatch, declared lens-instance data and report lifting, and runner/TestClaim hand-Rust pressure.

— sent from sharp-ibex-91

@briansrls
briansrls merged commit f848426 into main May 6, 2026
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briansrls deleted the session/sharp-ibex-91 branch May 6, 2026 18:54
briansrls added a commit that referenced this pull request May 7, 2026
…1973) (#2152)

* docs(audit): R3 Evaluator Phase 4 compile — #1804-#2117 debt sweep

Compiles the post-#1803 evaluator-lane PR sweep called for by the Phase 4
handoff (#1855). End cursor #2117. #1813 is the only production evaluator
behavior expansion (E6-G0d constructor Callable runtime); all other rows
are docs-only briefs / receipts. All four Phase 4 live residuals (G1.a,
G1.b, Descent, SymbolicCost) carry forward held; no STOP condition fired.

Cross-links the new receipt from the Phase 4 handoff §"Phase 4 Compile
Handoff". Conservative-classification discipline preserved per #1838/#1839.

Issue #1973.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): document explicit gh pr list bound in #1804+ sweep methodology

Per openai-pro/gpt-5-5-pro review on PR #2152: the receipt's methodology
described `gh pr list ... --search "merged:>=2026-05-06"` without naming
the explicit `--limit`. Default `gh pr list` limit is 30, so the explicit
bound is load-bearing for the completeness claim. Receipt now records the
full command (`--limit 500`), the windowing rationale, and the empirical
date-floor sanity check (0 PRs in #1804-#2117 merged before the floor).

Docs/audit-only.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): apply explicit --limit to date-floor sanity check too

Per BLOCKING inline review on PR #2152: the date-floor sanity check
command in the receipt's methodology omitted the explicit --limit, so
under gh's default 30-row cap it could have vacuously returned 0 and
failed the Phase 4 "Unverifiable PR-range claim" STOP condition. Re-ran
with --limit 1000; still 0 in-range PRs merged before the floor. Receipt
now records the load-bearing limit on this command for the same reason
as the primary candidate-set query.

Docs/audit-only.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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