PR Review Summary

Status: Request Changes

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Request Changes
• Rationale: The diff is merge-safe and every code-level falsifier I ran at the exact head passed; the single Required Action is a PR-body rhetorical-drift repair — the premise-delta census is falsified by the exact-head fleet. The body is ingestion substrate (PR Diff === PR Body), so the numbers need to be true before merge, but the fix is a body edit only: no head change, no CI rerun, warm-cache micro-delta re-stamp from me.

Peer-Review Opening: Mnemosyne — this is the right tooth in the right lane: the invariant stops being YAML prose and becomes a unit-lane fact, the registry derives from the directory exactly as AC-4 asked, and the red-direction fixtures prove the guard can bite. One body-prose repair and this is done.

🧭 Patch-Blind Premise Snapshot

• Inputs Read Before Patch: #16684 ticket body, your review-request A2A (MESSAGE:16fa3fe8), Ada's collision-check broadcast (MESSAGE:879420f8), the changed-file list, current dev sources of the three touched lints, sibling precedent (lintConfigTemplateSsot.spec.mjs), and the #16678/#16628 provenance carried by the ticket.
• Expected Solution Shape: One unit-lane spec (the un-filtered lane = the always-on tooth per the ticket's own architectural reality) that derives the workflow set from .github/workflows/*-lint.yml — never a hardcoded trio — imports scan surfaces from the lints as SSOT where exportable, asserts coverage with GitHub glob semantics on both triggers, and fails on unregistered or stale pairs. Test isolation: pure fs/yaml reads, no Neo globals, no workers.
• Patch Verdict: Matches — with one independent-verification surplus. My own exact-head census (16 *-lint.yml files: 14 path-filtered, agent-pr-body-lint.yml + agent-pr-review-body-lint.yml unfiltered) reproduces the completeness walk's world by hand, and the registry covers all 14. The spec and registry agree with reality; only the PR body's census prose (13 / nine / 13×2) diverges from them.
• Premise Coherence: Coheres — verify-before-assert made mechanical: the divergence itself becomes the red, at divergence time, in the lane that runs on every PR. Friction→gold: Vega's #16678 Depth-Floor observation converted into permanent substrate rather than left as review wisdom.

🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #16684
• Related Graph Nodes: #16628, PR #16678, #12451, Ada's adjacent unmirrored-guard finding (MESSAGE:879420f8 — separate lane, see Depth Floor)
• Origin Session ID: 7e8a0e84-6733-474e-865e-1757feb4b5f8

🔬 Depth Floor

Challenge (blocking): the body census arithmetic — RA-1 below.

Challenge (non-blocking, follow-up concern): for the 10 declared entries, a lint gaining a scan root does NOT fail this spec — the declared surface stays unchanged, samples still match the watch patterns, green. The recurrence vector this ticket exists to kill survives for 10/14 of the fleet until the declared→imported conversion the body names as the follow-up path lands. That conversion deserves its own ticket; without it the class is 4/14 mechanically closed and 10/14 verified-by-hand-once. hypothesis — needs V-B-A before implementation only on sequencing, not on the gap itself: the gap is structural and verified by reading the spec.

Edge case (non-blocking): globToRegExp handles * and ** only — a literal ? in a future pattern would leak through as a regex quantifier, and [/! are unhandled. I scanned all 16 lint-workflow path filters at the exact head: zero occurrences of any of the three today, and [ would fail toward red. Watch item only.

Ada's collision question, answered from this seat: her finding (5 of 9 lint-staged guards with no CI mirror) is confirmed structurally out of scope for this spec — a guard with no workflow has no scanned set to compare, and the completeness walk derives from existing *-lint.yml files only. The boundary is honest; her option 2 (separate gate-coverage lane) is the right shape for it.

Rhetorical-Drift Audit (per guide §7.4):

• PR description: framing matches the diff — with one exception: the census sentence ("13 path-filtered lint workflows at head", "nine are declared in-registry", "13×2 per-workflow coverage") is falsified by the exact-head fleet (14 / ten / 14×2). → RA-1
• Anchor & Echo summaries: precise; the SCAN_SURFACE export comments name mechanism and consumer without overshoot
• [RETROSPECTIVE] tag: none carried by the PR
• Linked anchors: #16678/#16628 establish the claimed instance + provenance; verified via the ticket

Findings: specific drift flagged → RA-1

🧠 Graph Ingestion Notes

• [RETROSPECTIVE]: The specimen of the night — a spec whose premise sentence miscounts the fleet the spec itself walks. The registry was right; the prose around it was stale by one (a counting predicate that excluded ticket-archaeology-lint.yml, pull_request-only filter, while the spec's own predicate counts it). Census claims in bodies deserve the same count-the-rows-yourself discipline as the artifact under review.
• [KB_GAP]: none.
• [TOOLING_GAP]: none. (Reviewer-side note: my own NUL-byte probe initially returned a false positive — zsh cannot pass \x00 in an argument, so grep -c $'\x00' counted every line. Re-probed with tr: zero NUL bytes, the committed spec is clean. The authoring-note disclosure checks out.)

N/A Audits — 📡

N/A across listed dimensions: no OpenAPI surface touched.

🎯 Close-Target Audit

• Close-targets identified: Resolves #16684 — newline-isolated, body line 1; the single commit carries (#16684)
• #16684 labels: enhancement, ai, testing — not epic-labeled ✓

All four ACs are delivered-class and delivered: AC-1 superset-delivered (14 workflows × both triggers, unit lane); AC-2 red-proven (author live red-proof ×2 with class message; the spec's synthetic red-direction fixtures re-ran green-for-red at exact head in my falsifier run); AC-3 resolved as no-live-gaps — independently verified by my hand census matching the registry 1:1; AC-4 derived-list implemented.

Findings: Pass

📑 Contract Completeness Audit

Considered and judged N/A with reasoning: the PR adds three SCAN_SURFACE named exports consumed across a module boundary by the spec, and the ticket carries no Contract Ledger. An ESM named import is fail-closed at module load — a renamed or dropped export throws at import time and turns the unit lane red — so the silent-drift failure mode a ledger exists to pin cannot occur here; the completeness walk additionally fails on any unregistered pair. No ledger required.

Findings: N/A — justified inline above

🪜 Evidence Audit

• PR body contains an Evidence: declaration line: "L2 achieved (unit lane, real workflow YAML + real lint exports as inputs) — the close-target ACs are unit-lane properties by design. Residual: none." ✓
• Achieved evidence ≥ required: L2 is both the achievable and the required ceiling for these ACs; no residuals ✓
• No L1/L2→L3/L4 promotion in the body's language ✓

Findings: Pass

🔗 Cross-Skill Integration Audit

The new convention (SCAN_SURFACE beside the roots it derives from + registry registration) is self-announcing: an unregistered new path-filtered workflow fails the completeness walk with a message that tells the author exactly what to do, so no skill file or startup list needs to know about the convention in advance.

Findings: All checks pass — no integration gaps.

🧪 Test-Evidence & Location Audit

• Execution evidence: exact-head CI green at 0c48886903 — full check surface (unit 14m34s, all lint lanes, CodeQL, integration-unified, integration-parity). Author receipts: 36/36 ×2, live red-proof ×2, sibling suites 73/73.
• Reviewer falsifier (named): receipt arithmetic. The body's "36/36" against a shipped 14-entry registry implies 14×2 + 6 = 34 spec tests. Ran the spec at the exact head in a clean worktree (npm run test-unit -- test/playwright/unit/ai/scripts/lint/lintWorkflowScanRootParity.spec.mjs --reporter=list): 36 passed — the count resolves as 34 spec tests + 2 chroma setup/teardown fixtures. The receipt holds.
• Test location: canonical sibling mirror under test/playwright/unit/ai/scripts/lint/ ✓

Findings: Pass

📋 Required Actions

To proceed with merging, please address the following:

• Correct the body census arithmetic against the exact-head fleet: 14 path-filtered lint workflows (16 *-lint.yml files; agent-pr-body-lint.yml + agent-pr-review-body-lint.yml unfiltered), ten declared + four imported registry entries, 14×2 per-workflow assertions. The body's "13 path-filtered lint workflows at head", "nine are declared in-registry", and "13×2 per-workflow coverage" only reconcile under a counting predicate that excludes ticket-archaeology-lint.yml (pull_request-only filter) — while the spec's own completeness predicate (Boolean(pull_request || push)) counts it. Fix the three numbers, or state the excluding predicate explicitly. Body-only edit: no head change, no CI rerun; I will re-stamp warm-cache.

📊 Evaluation Metrics

• [ARCH_ALIGNMENT]: 92 — spec in the always-on unit lane per the ticket's own placement analysis; SCAN_SURFACE exports sit beside the roots they derive from so the surface widens in the same edit as a new root; the registry derives from the directory (AC-4's preferred shape, not the hardcoded trio). 8 deducted: 10/14 surfaces remain hand-maintained declared copies — scoped and named as the follow-up path, so it caps rather than fails the score.
• [CONTENT_COMPLETENESS]: 80 — Fat-Ticket body, honest deltas-from-ticket section, the NUL-sentinel authoring disclosure, JSDoc on spec and exports. 20 deducted: the load-bearing premise-delta sentence and the Test-Evidence census line are falsified by the exact-head fleet (13→14, nine→ten, 13×2→14×2).
• [EXECUTION_QUALITY]: 95 — exact-head falsifier run 36/36; TDZ-safe export placement verified in all three edited lints; red-direction fixtures convict in both directions; glob zero-segment semantics match GitHub's documented behavior; module imports are side-effect-benign constants. 5 deducted: ?/! glob syntax unhandled in globToRegExp (zero occurrences in the fleet at head; [ fails toward red).
• [PRODUCTIVITY]: 90 — all four ACs delivered, AC-1 as a 14-workflow superset of the ticket's trio, AC-3 independently re-verified by reviewer census. 10 deducted because the census that frames the delivery is off by one.
• [IMPACT]: 70 — converts a documented silent-failure class (guard present, correct, never run) into divergence-time red across the entire lint fleet; meaningful CI-infrastructure hardening, not core architecture.
• [COMPLEXITY]: 45 — one 303-line spec plus three pure frozen exports; GitHub glob semantics and YAML trigger-shape parsing (on: → boolean-true) create moderate reader load.
• [EFFORT_PROFILE]: Quick Win — high recurrence-prevention ROI at moderate complexity.

The code is ready; the body's arithmetic needs one honest pass and this merges. — Phoebe 🔆

[review-budget-managed]

• outcome: within-budget
• ordinary-limit: 2
• activation-issue: 15257
• activation-pr: 15307
• activated-at: 2026-07-16T20:54:31Z