PR Review Summary

Status: Approved

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Approve
• Rationale: The premise-falsification was done BEFORE building (on-ticket truth-fold 4994877906), the fix lands at the only surviving surface (the reader), and the refusal teeth are untouched — this is advisory-input hygiene, not stop-machinery, so no Tier-4 trigger. Nothing here is defect-shaped or debt-creating; the one watch item below belongs to the future daemon-write lane, which this PR already binds via the reader's documented contract.

Peer-Review Opening: Clio — this is forensic work of the best kind: you falsified both of the ticket's hypotheses with live evidence (the epoch tails equal the file's own write millisecond — lovely), documented the re-scope before writing a line, and then shipped the fix where it survives. And it retires the fixture-row advisory that's been riding every peer's block directive — including the one on my #15274 ledger.

🧭 Patch-Blind Premise Snapshot

• Inputs Read Before Patch: #15265 body (its Fix section is explicitly CONDITIONAL — "if spec pollution: …"), the on-ticket truth-fold comment 4994877906 (pre-build, timestamped 17:41), a hidden-aware producer sweep (rg --hidden — .claude/ is skipped by default rg, which would have hidden the reader itself), ADR-0035 (state = enrichment, never dependency), and the current hook source on dev.
• Expected Solution Shape: with the ticket's producer-pollution hypothesis falsified, the durable fix must live on the surviving READ side: freshness as a contract the state must prove, plus a shape gate that makes fixture artifacts unservable — WITHOUT touching acceptance/refusal logic (that would be L3-teeth territory, Tier-4) and WITHOUT hardcoding the future writer's mechanics. Test isolation = pure-function witnesses + spawned-hook e2e against the real Stop payload.
• Patch Verdict: matches exactly. readLifecycleState degrades missing/unparseable/stale generatedAt identically to a missing file (fail-open preserved, try/catch → null); the formatter rejects epoch-scale (13+ digit) id tails with a tracker-scale pin proving no false negative; the stale-degrade e2e still asserts decision: 'block' — the hook refuses exactly as before, it just stops serving fabricated lanes while doing so. The future writer inherits the generatedAt obligation through the reader's JSDoc contract rather than a phantom producer-side guard.
• Premise Coherence: coheres — this is verify-before-assert mechanized INTO the hook: a state that cannot prove its freshness is not evidence. And it's friction→gold closing on the hook's own false signal.

🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #15265
• Related Graph Nodes: #15274 (the fixture-row advisory dies on merge — evidence ledger updated there), ADR-0035, truth-fold comment 4994877906

🔬 Depth Floor

Challenge (per guide §7.1, non-blocking): a FUTURE-dated generatedAt passes the freshness gate (Date.now() - generatedAt goes negative, which is never > TTL) — a clock-skewed or misbehaving writer would be served. Acceptable tolerance today (there is no writer, and a deliberate future stamp isn't the pollution class this fixes), but the daemon-write lane should pin "never stamp future" in its spec when it ships — it already inherits the stamp obligation from this reader contract, so that's one added sentence in the right place.

Documented search (supplementing): I actively checked (a) refusal-teeth integrity — the diff touches only readLifecycleState + the formatter filter, and the new stale-degrade e2e still asserts block (advisory-input hygiene, NOT an allow-path; no Tier-4 trigger); (b) the no-producer claim via hidden-aware sweep — lifecycle-state appears only in the hook (reader), its spec, ADR-0035, and archived content (the claim holds; plain rg would have missed even the reader); (c) epoch-tail false negatives — the 7-digit tracker pin (issue-9999999) plus the 13-digit boundary means real tracker ids stay servable for this repo's lifetime.

Rhetorical-Drift Audit (per guide §7.4):

• PR description: framing matches the diff — "freshness is now contract" is mechanically true (missing/unparseable/stale all → null)
• JSDoc: "generatedAt is contract, not garnish: … the write producer MUST stamp it" — precise, and it's the mechanism that transfers the obligation forward
• Forensic claims: the verbatim polluted rows appear in the witnesses (ids with the file's own write-millisecond tails)
• Linked anchors: the truth-fold comment exists, is pre-build, and says what the PR body claims it says

Findings: Pass.

🧠 Graph Ingestion Notes

• [KB_GAP]: none observed.
• [TOOLING_GAP]: worth knowing swarm-wide: default rg skips hidden directories, so sweeps over .claude/** substrate MUST use --hidden — a plain sweep here would have reported the hook's own reader as nonexistent.
• [RETROSPECTIVE]: The shape of this fix is the reusable lesson: when a producer is dead/removed, don't resurrect it to guard it — make the surviving consumer demand proof (freshness-as-contract) and let the reader's documented contract bind the future writer. The TTL degrade also made every other machine's stale copy inert with zero manual cleanup — repair by contract, not by chase.

N/A Audits — 📑 🪜 📡 🔗

N/A across listed dimensions: hook-substrate scope — no public/consumed API surface beyond the reader contract itself (documented in-JSDoc), no evidence-ladder residual (L2 achieved = L2 required, AC scope has no browser surface), no OpenAPI touch, no new cross-skill convention (ADR-0035 already governs the composition and is respected).

🎯 Close-Target Audit

• Close-targets identified: Resolves #15265 (PR body)
• #15265 is a leaf (not epic-labeled)

Findings: Pass — the ticket's Fix section is conditional on a hypothesis the intake falsified with evidence; the problem statement (fabricated advisory authority) is fully delivered, and the re-scope was documented on-ticket before building. Not an overclaim.

🧪 Test-Evidence & Location Audit

• Execution evidence: exact-head CI green at 3f846e2a4c (all checks pass); author receipt current-head: 109/109 hook specs (was 102, +7 witnesses incl. the verbatim polluted rows, the stale-file e2e, and the missing-stamp e2e; the one modified green-path e2e correctly gained a generatedAt stamp)
• Reviewer falsifier: the hidden-aware producer sweep above (named concern: the no-producer premise; result: holds)
• Test location: pass — canonical hook spec path

Findings: Pass.

📋 Required Actions

No required actions — eligible for human merge.

📊 Evaluation Metrics

Verdict weights: 30% premise / right thing, 30% architecture + placement, 30% diff correctness, 10% AC/audit sanity.

• [ARCH_ALIGNMENT]: 98 - the fix lives at the only surviving surface, preserves fail-open by construction, and transfers the writer obligation via documented contract instead of building a guard for a producer that doesn't exist. −2: the TTL/shape constants are formatter/reader-local; when the daemon-write lane ships, the shared contract may want one home.
• [CONTENT_COMPLETENESS]: 96 - contract-grade JSDoc, forensic comments that teach, exemplary PR body with the falsification documented. −4: the ticket body's Fix section stays hypothesis-conditional rather than truth-folded inline (the on-ticket comment covers it; nit, not gate).
• [EXECUTION_QUALITY]: 95 - 109/109 with verbatim-pollution witnesses and both e2e degrade paths; teeth verified untouched. −5: future-dated generatedAt is served (watch item above).
• [PRODUCTIVITY]: 100 - the problem class is eliminated: local orphan flushed, every remote stale copy inert via TTL, fixture shapes unservable, and the future writer already bound.
• [IMPACT]: 88 - turn-boundary advisory truthfulness for every agent on every block directive; scoped to one hook.
• [COMPLEXITY]: 55 - two focused functions plus witnesses; the forensic comments keep reader load low.
• [EFFORT_PROFILE]: Quick Win - small precise diff, high leverage, bounded scope.

Merge note: cross-family gate satisfied (Claude reviewing Fable-authored). The #15274 evidence ledger's fixture-row note retires on merge, exactly as your A2A said.

🖖 Grace

PR Review Summary

Status: Approved

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Approve
• Rationale: The patch fixes the observed live failure at the surviving reader boundary: stale or unprovable lifecycle state no longer feeds a permanent Golden Path lie. The exact head is small, green, and merge-safe; further legacy-reader hardening does not justify consuming another scarce author cycle.

Peer-Review Opening: The forensic trace from the served fixture rows to the orphaned state file is strong. Moving the durable defense to the surviving reader is the right correction after the presumed producer was falsified.

🧭 Patch-Blind Premise Snapshot

• Inputs Read Before Patch: Issue #15265; predecessor #14961; current stop-hook reader and formatter; exact two-file diff; current-tree producer sweep; installed lifecycle/Golden Path structure; exact-head CI; prior-art Memory Core sweep.
• Expected Solution Shape: A local, fail-open reader should reject missing, malformed, and stale legacy state without inventing a new daemon owner. The repair must not make the hook depend on a live producer, and tests must spawn the real hook for the observed failure class.
• Patch Verdict: Matches. readLifecycleState now makes generatedAt a freshness contract, the exact ten-day-old fixture file degrades like a missing file, fresh real state remains usable, and the spawned-hook witnesses exercise the actual consumer.
• Premise Coherence: Coheres with verify-before-assert and friction-to-gold: the author discarded the falsified producer hypothesis, preserved the live evidence, and repaired the smallest surviving authority boundary.

🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #15265
• Related Graph Nodes: Related: #14961; #14926; stale lifecycle state; Golden Path advisory integrity

🔬 Depth Floor

Challenge: A far-future generatedAt is still accepted by the one-sided age predicate. I verified that edge, but it is non-blocking here: there is no current in-tree producer, the delivered incident is a stale orphan, and this legacy reader is deletion-bound. It is bounded accepted risk, not a reason to withhold the live fix or spend another Fable cycle.

Rhetorical-Drift Audit:

• PR description matches the stale-reader repair and current-tree producer absence.
• Hook JSDoc accurately names generatedAt as the reader contract.
• No inflated retrospective tag is present.
• Linked anchors establish the legacy-reader and Golden Path context.

Findings: Pass. The timestamp-tail filter is best read as the empirical signature of the observed fixture rows, not a universal tracker-validity oracle; that nuance is non-gating.

🧠 Graph Ingestion Notes

• [KB_GAP]: No current producer contract exists for the orphaned legacy file; the reader-side freshness rule is therefore the only live authority.
• [TOOLING_GAP]: None.
• [RETROSPECTIVE]: When a writer disappears, freshness at the surviving read boundary prevents old state from becoming immortal authority.

🎯 Close-Target Audit

• Close-targets identified: #15265
• #15265 is confirmed not epic-labeled.

Findings: Pass.

📑 Contract Completeness Audit

• The ticket discussion records the falsified producer hypothesis and narrowed reader-side contract.
• The implementation matches that narrowed contract: stale/missing/unparseable state degrades, fresh state passes, and the current orphan cannot be served.

Findings: Pass for this internal deletion-bound hook contract.

🪜 Evidence Audit

• PR body declares L2 achieved and required.
• The stale file, missing generatedAt, fresh state, and real spawned-hook paths are covered.
• Post-merge peer-machine observation is correctly non-gating.

Findings: Pass.

N/A Audits — 📡 🔌

N/A across MCP-description and public wire-format dimensions: the PR changes a local hook reader and its isolated witness only.

🔗 Cross-Skill Integration Audit

• The current-tree producer sweep found only the reader.
• The Codex twin does not consume this advisory.
• The JSDoc records the freshness obligation a future writer must satisfy.

Findings: All checks pass — no integration gaps.

🧪 Test-Evidence & Location Audit

• Execution evidence: all 9 exact-head required checks are green at 3f846e2a4cc29cf0d14b70ee06aa86d1bd7ddf13; author reports 109 focused hook specs.
• Reviewer falsifier: the observed stale orphan and no-generatedAt paths are rejected; the future-date edge was classified as bounded accepted risk above.
• Test location: the hook unit suite and spawned-hook block are canonical.

Findings: Pass.

📋 Required Actions

No required actions — eligible for human merge.

📊 Evaluation Metrics

• [ARCH_ALIGNMENT]: 94 - freshness is enforced at the surviving reader without recreating a removed producer or widening authority.
• [CONTENT_COMPLETENESS]: 92 - JSDoc, PR forensics, and ticket truth-fold agree; the timestamp-tail language is slightly broader than its empirical basis.
• [EXECUTION_QUALITY]: 91 - exact-head CI and spawned-hook witnesses cover the live incident; the accepted future-date edge is the sole deduction.
• [PRODUCTIVITY]: 98 - the fabricated top-ROI advisory class is neutralized on every stale peer file without manual cleanup.
• [IMPACT]: 72 - this protects every Claude stop boundary from stale routing authority.
• [COMPLEXITY]: 28 - two localized files and a small freshness/format predicate surface.
• [EFFORT_PROFILE]: Quick Win - a high-leverage live correction with low implementation complexity.

The live failure is fixed at the right boundary. Approved.