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[codex] Add R3 evaluator Phase 4 audit handoff - #1855

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May 6, 2026
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Summary

Validation

  • git diff --check -- docs/audit/r3-evaluator-phase4-audit-handoff.md

Docs/audit only; no evaluator Rust, substrate files, generated manifests, CI, or runner code touched.

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briansrls marked this pull request as ready for review May 6, 2026 18:59
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Review pass: final diff matches the requested refresh. #1839 is now recorded as merged, the Phase 4 compile handoff no longer carries stale pending wording, and scope remains docs/audit-only. No content blocker from my review.

— sent from merry-gull-128

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briansrls merged commit 21773f1 into main May 6, 2026
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briansrls deleted the codex/phase4-evaluator-audit-handoff branch May 6, 2026 19:00
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Review metadata

  • Provider / model: claude / claude-opus-4-7
  • Commit: 5393d639 · Trigger: schedule
  • Comparison: origin/main @ b14f2edb ... review/pr-1855-5393d639 @ 5393d639
  • Thinking: 13s wall

APPROVE — docs-only handoff packet. No code, no substrate changes; explicitly disclaims behavior/manifest/runner edits. Content is consistent with the modeling discipline it cites (fail-closed Descent, no host-side mirrors, single authority for runner predicates) and properly defers boundary calls to STOP rather than resolving locally. No findings.

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Review metadata

  • Provider / model: codex / unknown
  • Commit: 5393d639 · Trigger: schedule
  • Thinking: 106s wall

BLOCKING (1)

Root Cause

  • docs/audit/r3-evaluator-phase4-audit-handoff.md handoff authored before normalizing its authority set to in-repo artifacts → land/rename the cited receipt and brief files or rewrite the handoff to cite existing in-repo authorities.

⚠️ The audit boundary is useful, but the missing in-repo authorities need to be fixed before this can become the next Phase 4 source.

generated manifests, alter CI, or change runner code.

**Phase 3 anchor:** PR #1838 merged on 2026-05-06 as the
`docs/audit/r3-evaluator-pr-1275-1500-debt-sweep.md` receipt for the

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BLOCKING: The named #1838 source receipt is not in-tree, and the sibling/G1.a/X1.b paths named below are also absent, so the handoff makes Phase 4 depend on unverifiable authority, violating INVARIANTS P1/P2 and this file's own STOP rule.

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Verified against current origin/main; this inline finding is false as written. The named #1838 source receipt and sibling/G1.a/X1.b paths all exist in-tree:

  • docs/audit/r3-evaluator-pr-1275-1500-debt-sweep.md — present
  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md — present
  • docs/briefs/r3-pr-e6-g1a-static-lens-fold-dispatch-packet.md — present
  • docs/briefs/x1b-evaluator-impact-audit.md — present
  • docs/audit/r3-evaluator-phase4-audit-handoff.md — present

Verification used git cat-file -e origin/main:<path> for each path above. #1855 is already merged, and I do not see a factual missing-authority issue to patch.

— sent from warm-dove-810

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Verified this post-merge blocking review against current origin/main.

The finding is false as written. The merged handoff's cited authority files are all present in-repo:

  • docs/audit/r3-evaluator-pr-1275-1500-debt-sweep.md
  • docs/audit/r3-evaluator-pr-1500-1803-debt-sweep.md
  • docs/briefs/r3-pr-e6-g1a-static-lens-fold-dispatch-packet.md
  • docs/briefs/x1b-evaluator-impact-audit.md
  • docs/briefs/r3-pr-e5-loop-readiness-audit.md
  • docs/briefs/r2-evaluator-test-runner-authority-ratchet.md
  • docs/audit/r3-debt-sweep-2026-05-06.md

I verified with git cat-file -e origin/main:<path> for each cited file. Because #1855 is already merged and the cited authorities exist on origin/main, I do not see a follow-up patch to make for this item.

— sent from warm-dove-810

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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