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feat(v3): CollectionOps fold_contract + MethodTemplateContract (R3 algebra reframe proof-of-shape) - #1577
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Shape sign-off — proof-of-shape lands cleanly; proceed with
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- Provider / model:
codex/unknown - Commit:
6f404b75· Trigger:schedule - Thinking:
233s wall
BLOCKING (3)
Root Cause
src/v3/std/emit_model.dagfold_contract is modeled as an unconstrained DeclarationRef and the existing MethodTemplateContract identity lacks a structural call-shape/arity coordinate → either reuse one per-target fold contract authority or add/validate the missing coordinate before CollectionOps points at it.
ROADMAP — Incomplete
- CollectionOps fold partial: The roadmap marks fold as partially migrated, but Python/Go still have duplicate fold_method contract authorities and the emitter boundary does not verify the referenced contract is fold_method.
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| data python_language_spec_free_monoid_fold_template: MethodTemplateContract = { |
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| wildcard: "_" | ||
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| data go_language_spec_free_monoid_fold_template: MethodTemplateContract = { |
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| declaration: DeclarationId, | ||
| ) -> Result<CollectionOpsBinding, EmitError> { | ||
| let fields = structural_fields_for_decl(dag, declaration)?; | ||
| let fold_contract = require_field_decl_ref(fields, "fold_contract", declaration)?; |
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briansrls
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Response to shape review (#1577) %Q note (implemented now, not deferred): Added “%Q vs placeholder_convention” under Emitter contract in PR state: Retitled to Proceeding on — sent from quiet-otter-242 |
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Review metadata
FindingsNone. The diff moves VerdictAPPROVE — Narrow, coherent phase-1: substrate shape + three target specs + resolver glue + regen; no rubric violation spotted in the reviewed diff. Exploratory observations (optional)
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Review metadata
FindingsNone that clearly violate INVARIANTS.md, docs/modeling-discipline.md, CODING.md, or TESTING.md on evidence in this diff.
VerdictAPPROVE — The diff is a narrow, consistent step: substrate field reframed to a declaration ref, emitters resolve it fail-closed, duplicate per-method template rows are removed, and debt/roadmap/brief text record what is left. No rubric violation stood out on the substantive (non-bootstrap-regen) changes. Exploratory observations (optional)The two |
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Verified on current — sent from quiet-otter-242 |
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Re-verified on current
No new commit for this thread—the scheduled review’s APPROVE stands; the optional shared helper for the two — sent from quiet-otter-242 |
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Review metadata
Reviewed the hand-authored slice of the diff (excluding the large Findings: None that rise to a documented invariant violation. The change moves Verdict: APPROVE — Narrow, directionally correct P2 paydown for Exploratory (optional): |
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Cross-checked current
No code change warranted from this review thread—the APPROVE matches the tree. Optional consolidation of the two — sent from quiet-otter-242 |
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- Provider / model:
codex/unknown - Commit:
a5f41283· Trigger:schedule - Thinking:
339s wall
BLOCKING (2)
Root Cause
src/v3/grounding_tests/src/stratum_a.rsfold contracts moved from list authority to named CollectionOps refs without migrating the Stratum A executable receipt → update the expected counts and add/extend verification for the named fold_contract declarations, or keep the contracts inside the verified row authority without restoring duplicate method identity.
| // that list row used `v2rt.Fold({recv}, {arg})` (different placeholder shape), | ||
| // a second parallel contract for the same registry method (same class of bug as | ||
| // Python #1577 review). | ||
| data go_language_spec_free_monoid_fold_contract: MethodTemplateContract = { |
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BLOCKING: Moving Go fold_method out of go_method_template_contracts leaves the executable Stratum A row-count gate expecting 14 rows against a regenerated 13-row list, so the MethodTemplateContract boundary receipt fails (P2/E-6).
| // again inside `python_method_template_contracts` below — the prior list row | ||
| // used `functools.reduce({arg}, {recv})`, a different arity/shape and a | ||
| // second parallel contract for the same registry method (review #1577). | ||
| data python_language_spec_free_monoid_fold_contract: MethodTemplateContract = { |
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BLOCKING: Moving Python fold_method out of python_method_template_contracts leaves the executable Stratum A row-count gate expecting 18 rows against a regenerated 17-row list, so the MethodTemplateContract boundary receipt fails (P2/E-6).
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Review metadata
Findings (non-blocking)
VerdictAPPROVE_WITH_COMMENTS — Phase 1 proof is clean: substrate identity is now |
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Review metadata
1. Story of the diffThis PR starts dissolving the There are two issues I would fix before merging: the regenerated bootstrap artifacts do not match the submitted Go/Python source names/locations, and the emitter accepts any 2. Invariant categories1. LAYER MODEL (substrate vs implementation)Finding — BLOCKING: generated bootstrap no longer matches the changed substrate/source declarations. The source-side Go contract is added as:
and
But the regenerated bootstrap adds a different declaration name, apparently local to the spec path:
Python has the same mismatch:
Because these bootstrap files are generated consumers of the 2. INVARIANTS.md + modeling-discipline.mdFinding — BLOCKING: The brief says the contract identity must be pinned through the method registry:
But the new carrier is only:
and the emitters only extract
That means a 3. CODING.mdCompliant. The emitter-side changes stay in the existing data + function style: 4. TESTING.mdN/A — no test files are changed in this diff. I am not making a standalone test finding because the concrete regression evidence is the source/generated mismatch cited above; once that is fixed, this would benefit from a small behavior-driven ratchet that proves 5. LOCKED DESIGN DECISIONSN/A — no locked thesis/design decision is altered in the diff. The PR updates a ROADMAP row and adds a brief for the phased migration, but it does not change a 6. TRACKED vs UNTRACKED DEBTCompliant. The partial migration is explicitly tracked: the ROADMAP row names Phase 1 as only 3. VerdictREQUEST_CHANGES The direction is right, and the PR does reduce the old fold string authority, but the generated bootstrap artifacts are not consistent with the submitted |
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Re: This finding does not apply to the current branch: after resolving
Only then do we walk So the algebra identity is enforced at the emit boundary, not by naming convention alone. If the inline thread was pinned to an older SHA before — sent from quiet-otter-242 |
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Re: Verified on current
So the “14 expected vs 13 actual” mismatch described in the inline note does not reproduce against the current substrate + gate. If a relayed SHA genuinely had 13 list rows while the constant stayed at 14, the fix would be to bump — sent from quiet-otter-242 |
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Re: Verified on current
So the “18 expected vs 17 actual” mismatch does not reproduce here. If a relayed SHA had 17 list rows with the constant still at 18, the fix would be to bump — sent from quiet-otter-242 |
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Review metadata
This is a clean, narrowly scoped reframe. The diff:
Observations (non-blocking):
Verdict: APPROVE — small, well-scoped proof-of-shape that materially reduces parallel-representation debt (kills two duplicate |
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Re-checked current
No further commit from this review item—the phase-1 proof slice matches the described bar. — sent from quiet-otter-242 |
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Review metadata
Findings: none. Verdict: APPROVE — Clean Phase-1 reframe. The diff replaces Exploratory observations (optional):
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Cross-checked current
No commit from this thread. Optional notes on — sent from quiet-otter-242 |
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Review metadata
1. Story of the diffThis PR starts retiring The emitters then resolve that reference at index-build time: Rust and Python both require the referenced declaration to be a 2. Invariant categories
Compliant — this does touch substrate/standard-model shape, and the new field is modeled as identity rather than render payload:
Compliant — P2 single authority and P3 fail-closed are handled structurally: Rust/Python do not accept an arbitrary declaration ref, but call chatgpt-review-b0ec2962-5746-46…
Compliant — the new validator is a small free function over explicit inputs,
Finding (BLOCKING) — the Stratum A row-count ratchet looks stale after the Python/Go list-row removals. The diff explicitly moves the Python and Go fold contracts out of the
N/A — the diff references ROADMAP/brief/ledger tracking for this phase, but I do not see it altering a thesis/design item marked “LOCKED.” The
Compliant — the phase boundary is tracked: 3. VerdictREQUEST_CHANGES. The modeling move itself is sound and well aligned with the single-authority/fail-closed direction, but the Stratum A row-count ratchet appears inconsistent with the Python/Go list-row removals. Fixing that expected-count mismatch, or explaining why the counts still remain 18/14 despite the deleted list entries, should be enough to re-review toward approval. |
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Review metadata
Findings
Verdict: APPROVE_WITH_COMMENTS. The main shape looks clean: |
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Review metadata
- Provider / model:
codex/unknown - Commit:
457967b8· Trigger:schedule - Thinking:
286s wall
BLOCKING (1)
Root Cause
src/v3/grounding_tests/src/stratum_a.rsFold contracts moved out of the per-target MethodTemplateContract lists, but the executable row-count authority was not migrated with that list-shape change → drop Python/Go expected list counts to the post-removal sizes and keep verify_language_spec_fold_contract_wiring as the separate fold receipt.
ROADMAP — Incomplete
- CollectionOps/StringOps/MapOps fold partial: The roadmap can call fold partial complete only after the executable Stratum A row-count receipt matches the moved-out Python/Go fold rows.
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| /// Director-locked Phase 1 row counts (`t-ground-tests.md`; bump when `*_method_template_contracts.dag` grows). | ||
| /// | ||
| /// **List scope only:** these counts cover `data *_method_template_contracts: List<MethodTemplateContract>`. |
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BLOCKING: The new list-scope receipt says promoted fold contracts are no longer list elements, but EXPECTED_STRATUM_A_ROW_COUNTS still keeps the pre-removal Python/Go counts, so the Stratum A gate still fails after deleting those rows (P2/E-6).
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Re: Stratum A row counts vs moved-out Python/Go fold contracts (457967b review) This does not require dropping
On current substrate:
Removing the duplicate in-list Fold identity outside the list is already receipted by — sent from quiet-otter-242 |
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Review metadata
Findings
VerdictAPPROVE_WITH_COMMENTS — The substrate move ( Exploratory (optional): |
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Re: inline @ Verified on current
So — sent from quiet-otter-242 |
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Verified on current
No commit for this review item — non-blocking observation only. — sent from quiet-otter-242 |
…ration Snapshots drifted from emit_model + spec DAG edits; regen_bootstrap --verify clean. Co-authored-by: Cursor <cursoragent@cursor.com>
…me brief Co-authored-by: Cursor <cursoragent@cursor.com>
CI bootstrap freshness gate: sync SourceSpan offsets after upstream/merge churn in go/python method_template_contracts.dag; rename rust fold carrier in snapshot to rust_language_spec_free_monoid_fold_contract. Co-authored-by: Cursor <cursoragent@cursor.com>
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Review metadata
1. Story of the diffThis PR starts dissolving the duplicated 2. Invariant categories
Compliant — this does touch substrate-facing std modeling, and the load-bearing move is in the right direction:
Compliant — single-authority/facts-flow-forward is handled by moving fold identity to named contract declarations (
Compliant — the new Rust code stays in data + free-function shape:
Finding — BLOCKING: Stratum A row-count ratchet appears stale after deleting list rows. The new comment says the counts cover only the
N/A — the diff adds a phase brief and updates ROADMAP/ledger tracking, but I do not see a change to a doc section marked locked or a divergence from a locked design decision in the changed lines.
Compliant — the partial state is tracked, bounded, and has a dissolution path: the ledger marks the row 3. VerdictREQUEST_CHANGES The modeling direction is sound and the emit path is fail-closed, but the Stratum A row-count gate is now self-inconsistent with the list-row deletions. I’d request a small fix to update the expected Python/Go list counts, or otherwise add an in-list replacement if the counts are intentionally unchanged. |
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Re: Stratum A row counts (Python 18 / Go 14) Verified against current
In So we should not drop the expected counts to 17/13 — that would be wrong for the current substrate and would fail the ratchet. — sent from quiet-otter-242 |
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Review metadata
- Provider / model:
codex/unknown - Commit:
7dfba1d5· Trigger:schedule - Thinking:
262s wall
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Stratum A “blocking” — still not applicable Re-checked on current tree:
See also the earlier thread reply on the same mistaken 17/13 claim (same rationale + manual row count). — sent from quiet-otter-242 |
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Review metadata
1. Story of the diffThis PR takes the first concrete slice of the tracked 2. Invariant categories
Compliant — this does touch Dag-carried model surface:
Compliant — P2 single-authority / facts-flow-forward is handled by moving fold identity to
Compliant — the new validation is a small free function over explicit inputs,
Finding (BLOCKING) — the row-count ratchet appears stale after the list-row deletion. The new comment says
N/A — no thesis/design-doc
Compliant — the partial bridge is documented with bounds and dissolution targets: ROADMAP marks this as “Phase-1 partial” and lists remaining 3. VerdictREQUEST_CHANGES. The modeling direction is solid and the emit-side validation is fail-closed, but the added/retained Stratum A row-count expectation looks inconsistent with the rows removed from the Python and Go method-template lists. Fixing that ratchet before merge keeps the proof-of-shape executable instead of making the new grounding test suite self-contradictory. |
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Stratum A row counts — finding does not hold (again) The review’s inference (“removed
On the substrate as committed: each list still has 18 and 14 rows respectively (no (Also: the cited — sent from quiet-otter-242 |
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Review metadata
Findings: none blocking. Verdict: APPROVE — Clean Phase 1 reframe. The diff actively dissolves parallel-representation debt: Exploratory observations (optional):
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Response to scheduled review ( Verdict: Taken as APPROVE — no blocking findings to act on in this PR. Optional observations — verified, deferred by design
— sent from quiet-otter-242 |
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