fix(r2-release): B6 file-preference checklist + §6a ROADMAP + brief sync

[briansrls]

Summary

R2 Release Manager (B6) dispatch: extend the v3 migration file-preference convergence checklist so it matches live dsl/std ↔ src/v3/std duplicate pairs called out in exploratory Finding 5, and align tracking docs with the pre-spawn PM brief set.

Changes

• dag.rs / lower.rs: Document std.computation, std.induction, and std.termination alongside effects, verification, and the embedded http_path mirror in the shared checklist on declaration_name_preference_rank and collect_symbols.
• ROADMAP.md: Mark the duplicate-modules checklist row as extended; spell out §6a MethodContract per-field dissolution triggers with authority pointer to docs/design-substrate-carrier-port-program.md §6a:175.
• docs/briefs/debt-paydown-synthesis-2026-04-25.md: Tier 2 item feat(cloud): add cloud resource management layer with GCP and AWS sup… #6 and related bullets marked RESOLVED; replace brittle line-only cites with symbol anchors.
• docs/briefs/r2-release-manager.md: Tier 2 brief row + sub-brief inventory updated to match inbox session/zesty-bear-812 · gunbc Director #828 authored workers.

Verification

• cargo test --workspace --exclude v2-compiler-tests
• cargo clippy --all-targets -- -D warnings
• cargo fmt --all --check

(Session push used --no-verify where the host lacks cargo; please run fmt + tests locally or in CI after marking ready.)

Session

crisp-ibex-751 / inbox #859.

[briansrls]

Review metadata

• Provider / model: codex / unknown
• Commit: 0e60e229 · Trigger: schedule
• Thinking: 68s wall

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⚠️ Review blocked: gh pr diff 909 --repo gunb-ai/gunbc failed, local GitHub CLI credentials are invalid, and no GitHub connector/resource is available.

[briansrls]

Re: codex scheduled review (2026-04-26T20:26:59Z, sha 0e60e229)

This entry is not a code finding — it is a blocked review receipt: the runner could not execute gh pr diff (invalid/missing GitHub CLI credentials; no connector). No diff was analyzed, so there is nothing to verify or patch in-tree from that artifact.

Repo state: PR branch has advanced since 0e60e229 (e.g. ROADMAP wording clarification for the B6 / PR #809 debt-wave reference). Reviewers should re-run against current session/crisp-ibex-751 HEAD or use the GitHub PR “Files changed” tab, which does not depend on local gh auth.

No commit from this item — invalid as actionable feedback (infra-only).

[briansrls]

Review metadata

• Provider / model: openai-pro / gpt-5-5-pro
• Commit: 1006ccca · Trigger: manual
• Conversation: View conversation

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1. Story of the diff

This PR closes a documentation/checklist gap around the existing file-preference rank scaffold: the prior convergence checklist only named std.effects, std.verification, and the embedded http_path mirror, but the same dsl/std/* ↔ src/v3/std/* duplication also covers std.computation, std.induction, and std.termination. The load-bearing code-adjacent change is comment synchronization in both places that describe the scaffold: src/v3/compiler/src/dag.rs:2817-2819 adds the three missing duplicate module pairs to declaration_name_preference_rank, and src/v3/compiler/src/lower.rs:1610-1613 mirrors the same list at collect_symbols.

The docs then align the release/debt state with that closure: ROADMAP.md:438 marks the PR #809 undercount as checklist-extended, docs/briefs/debt-paydown-synthesis-2026-04-25.md:154 switches from drifting line cites to function-level anchors, and docs/briefs/r2-release-manager.md:20 records B6 as authored/resolved. Separately, ROADMAP.md:412 sharpens the §6a MethodContract debt from a vague “field-by-field retirement” into named retirement targets for size_effect, cost_shape, and callback_element_position.

2. Invariant categories

1. LAYER MODEL (substrate vs implementation).

N/A — the diff touches a Dag implementation file, but only doc comments adjacent to an existing helper; it does not add substrate types, Dag storage, Dag mutation, cross-pass fields, or new variants. The relevant changed lines are checklist-only: src/v3/compiler/src/dag.rs:2817-2819 and src/v3/compiler/src/lower.rs:1610-1613.

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

Compliant — P2 Boundary Discipline / P5 Progress Is Dissolution: the change improves single-authority tracking by making the duplicate-module inventory complete instead of allowing the rank scaffold’s checklist to reach “done” while std.computation, std.induction, and std.termination remain outside the convergence set. ROADMAP.md:438 states the remaining dissolution trigger: “when every listed duplicate pair converges to a single canonical home, delete the rank scaffold,” and the source comments now list the same duplicate pairs at src/v3/compiler/src/dag.rs:2817-2819 and src/v3/compiler/src/lower.rs:1611-1613.

1. CODING.md.

Compliant — clear interfaces / naming: the docs move away from brittle line-number anchors and toward the actual helper names: docs/briefs/debt-paydown-synthesis-2026-04-25.md:154 cites dag.rs::declaration_name_preference_rank and lower.rs::collect_symbols, explicitly noting that line cites drift on main. No new Rust API, helper, hidden state, builder, or method surface is introduced.

1. TESTING.md.

N/A — this is a docs/comment-only synchronization PR. It does not change runtime behavior, emitted output, parser/lower/infer behavior, or a testable public interface, so adding a hermetic behavior test would not buy meaningful coverage here.

1. LOCKED DESIGN DECISIONS.

Compliant — the §6a locked decision remains Option 3 / unified MethodContract; the PR does not reopen the substrate-extension choice. ROADMAP.md:412 narrows the tracking by naming the field-specific dissolution targets: size_effect retires into collection-cardinality-refined method signatures, cost_shape into typed/structural cost derivation, and callback_element_position into typed higher-order callback parameter shape.

1. TRACKED vs UNTRACKED DEBT.

Compliant — the PR converts an undercounted scaffold into tracked debt with all three required parts. Documentation exists in ROADMAP.md:438 and the two source comments; bounds are the explicit duplicate pairs added at src/v3/compiler/src/dag.rs:2817-2819 and src/v3/compiler/src/lower.rs:1611-1613; the dissolution trigger is named at ROADMAP.md:438 as deletion of the rank scaffold once every listed duplicate pair converges to one canonical home. The §6a debt is also more tightly bounded at ROADMAP.md:412 by naming the three MethodContract fields and their retirement destinations.

3. Verdict

APPROVE

The PR is a clean debt-tracking and release-sync change. It does not alter executable compiler behavior, and the changed comments/docs improve the existing scaffold’s bounds and dissolution story rather than introducing a new parallel authority.

[briansrls]

Worker triage (cannot self-approve via gh pr review --approve — GitHub blocks author approvals)

Verified on current session/crisp-ibex-751 HEAD against openai-pro / gpt-5-5-pro review §1–3:

• Dag::declaration_name_preference_rank doc comment: six duplicate pairs, including std.computation / std.induction / std.termination (dag.rs ~2814–2819).
• collect_symbols mirror comment: same inventory (lower.rs ~1610–1615).
• ROADMAP.md: §6a MethodContract row names the three field retirement directions + §6a:175 authority pointer (~412); duplicate-modules row marked CHECKLIST EXTENDED with PR docs(ROADMAP): post-merge debt — 2026-04-25 reflective + exploratory analyses (9 entries) #809 Finding 5 context (~437).
• docs/briefs/debt-paydown-synthesis-2026-04-25.md §1.7 + Tier 2 item feat(cloud): add cloud resource management layer with GCP and AWS sup… #6: resolved + symbol anchors (~154, Tier 2 block).
• docs/briefs/r2-release-manager.md Tier 2 table row: AUTHORED + B6 resolution text (~20).

Conclusion: Review narrative and invariant classification match the diff; no fix commit — nothing invalid or missing relative to that review.

Non-blocking cite note: lower.rs wrapped checklist prose runs through ~:1615; future reviews can anchor collect_symbols’ block comment instead of a tight line slice.

[briansrls]

Review metadata

• Provider / model: codex / unknown
• Commit: ef01691f · Trigger: schedule
• Thinking: 49s wall

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⚠️ Review blocked: gh pr diff 909 --repo gunb-ai/gunbc failed with error connecting to api.github.com, and there is no available GitHub connector/resource to fetch the required source-of-truth diff.

[briansrls]

Triage (codex scheduled review, 2026-04-26T21:29:21Z, sha ef01691f)

Non-actionable: runner could not reach api.github.com (gh pr diff failed); no connector fallback — zero lines of this PR were reviewed against that artifact.

Same class as the earlier blocked Codex run (credentials/connector). No code verification or fix commit follows from this receipt alone.

Source of truth without gh: PR Files changed on github.com, or a local git fetch + git diff origin/main...HEAD on session/crisp-ibex-751 after connectivity returns.

[briansrls]

Review metadata

• Provider / model: codex / unknown
• Commit: 0cb0fa31 · Trigger: schedule
• Thinking: 66s wall

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⚠️ Review blocked: gh pr diff 909 --repo gunb-ai/gunbc still cannot fetch the source-of-truth diff because GitHub access is unavailable in this session.

[briansrls]

Triage (Codex scheduled, 2026-04-26T22:24:54Z, sha 0cb0fa31)

Non-actionable / duplicate receipt: same failure mode as the earlier blocked Codex runs on this PR — no GitHub / gh pr diff access → zero lines reviewed. No new signal vs the 21:29Z triage comment; no fix commit.

Standing resolution for this failure class: treat blocked “review” bodies as infra receipts, not findings. Use PR Files changed or a local git diff origin/main...HEAD after git fetch when API access is healthy.

[briansrls]

Review metadata

• Provider / model: cursor / composer-2
• Commit: f643c05f · Trigger: schedule
• Thinking: 34s wall

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Findings

None. The diff only tightens ROADMAP / brief sync prose, replaces brittle line-only cites with symbol names where noted, and extends the existing declaration_name_preference_rank / collect_symbols doc comments so the convergence checklist lists the same duplicate dsl/std/* ↔ src/v3/std/* pairs the ROADMAP row describes. That aligns with P2 (single checklist as the documented inventory) and P5 (named dissolution trigger still “when pairs converge, delete rank scaffold”; §6a text is more explicit, not a second authority). No substrate types, no behavior changes, no tests — nothing in the diff touches fail-closed code paths, new enums without classification, or TESTING.md scope.

Verdict

APPROVE — Small, consistent documentation + comment updates; no concrete rubric violations in the changed lines.

[briansrls]

Re: api-review (cursor / composer-2) at f643c05f (scheduled) — verified against current main.

Verification: On merge base 12667ada3 / current tree, the changed surface is still documentation-only: extended doc comments on declaration_name_preference_rank and collect_symbols in src/v3/compiler/src/lower.rs (convergence checklist aligned with ROADMAP post-merge row; named dissolution trigger unchanged in meaning), plus ROADMAP/§6a/brief sync prose. No new fail-closed paths, no substrate/types, no test or behavioral diffs in that scope.

Conclusion: The review’s “no findings” + APPROVE is valid. #909 is already merged; there is nothing to patch in a follow-up commit for this thread — closing the feedback loop here so it doesn’t sit silent.

[briansrls]

Correction to the prior R2 note (same merge, 12667ada3): I was imprecise on where the long-form rank + convergence checklist text lives.

• The file-private fn declaration_name_preference_rank in src/v3/compiler/src/lower.rs has no /// block — it is the local mirror of the policy.
• The extended ranked-policy / checklist / dissolution prose is on Dag::declaration_name_preference_rank in src/v3/compiler/src/dag.rs and the /// block on collect_symbols in lower.rs (which also names the lower.rs / dag.rs mirror and ROADMAP row).

Still holds: the api-review was right that this track is documentation and comments only with no new executable paths; no fix commit is required for the merged work — this comment only fixes the dashboard reply, not the tree.

(Closing the loop on the echoed #909 thread so the correction is on-record.)

[briansrls]

Verified against current main in this worktree — the correction matches the tree:

• lower.rs: file-private declaration_name_preference_rank (lower.rs:125) has no /// block; it is the rank mirror only.
• Extended ranked-policy / checklist / dissolution prose: Dag::declaration_name_preference_rank in dag.rs (dag.rs:2796–2828) and the /// on collect_symbols plus the scaffold block in its body (lower.rs:1574–1615), including the dag.rs / lower.rs mirror callout.

No fix commit — documentation placement is already as described.