docs(claude-review-lanes): advance Phase 4 to DONE with full disposition ledger

[kyle-sexton]

Advances the Phase 4 tag [DOING] → [DONE] and appends a dated close-out amendment dispositioning every item in the 2026-08-06 REMAINING list — kept verbatim above it as the historical record.

Dispositions recorded (each with its authority):

• Incident aggregator: lane routing (needs-human label + kind=routed-advisory marker) was never implemented #364 shipped via feat(claude-lane-incident): route the incident issue to the attended queue #385 (bcf48a0) — routing label + idempotent escalation marker with repair path
• claude-review: a workflow-validation skip is an undetectable silent no-review, plus a false review count and false marker copy #363 shipped via fix(claude-review): make a workflow-validation skip visible, and stop crediting it #387 (7415d4e, A1) + fix(claude-review): count only reviews that ran (A2: repoint + gate flip) #389 (9f9757e, A2) — skipped-validation visibility, count/stale-clear gating, marker copy, wiring tripwire; security-lane variant tracked in security lane: validation self-skip turns the REQUIRED check green with nothing reviewed #388
• Both Incident aggregator: dead-credential detection from consumer review-run annotations (scheduled, zero new secrets) #238 spec conflicts adjudicated (operator-delegated, 2026-08-07): supersede-not-reopen; three-clean-cycles close
• Multi-repo shape waived; caller-side class=runner emission deferred with provisioning#215's trigger (operator-authorized recommendations)
• #1327 comment-closed; ci(claude-review): dead-credential canary + error-class surfacing — a revoked OAuth token was invisible for 19h #228/Incident aggregator: dead-credential detection from consumer review-run annotations (scheduled, zero new secrets) #238 closed with pointers — SC4 met
• Canary deferral rehomed into the ledger (re-evaluate 2026-11-06 + three triggers), per its own the-moment-ci(claude-review): dead-credential canary + error-class surfacing — a revoked OAuth token was invisible for 19h #228-closes rule
• Secret-visibility hardening item retired: operator keeps CLAUDE_CODE_OAUTH_TOKEN at visibility "all"; matches the github-iac record (github-iac#269/github-iac#270 landed, github-iac#266 closed)
• Fleet repin v0.9.1→v0.10.2 done (standards feat(scripts): add a per-lane Claude spend summary #337, claude-code-plugins #1990/#1992, sandbox feat: add shellcheck composite action #3)

The deliberately-untouched verbatim run-30571900637 quote (no coverage= field) remains untouched; the byte-pinned regions are not in this diff.

Related

No linked issue. For reference: #238, #228, #363, #364, #385, #387, #389, #388.

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Claude finished @kyle-sexton's task in 3m 57s —— View job

---

Review: docs(claude-review-lanes): advance Phase 4 to DONE

• Gather context (PR diff, CLAUDE.md, referenced workflow/script files)
• Understand the request (code review of a docs-only PLAN.md amendment)
• Review changed file for correctness/alignment with CLAUDE.md
• Post findings

This is a docs-only change (docs/topics/claude-review-lanes/PLAN.md, +77/-1): it flips the Phase 4 tag [DOING]→[DONE] (line 1562) and appends a "PHASE 4 CLOSE-OUT AMENDMENT" (lines 1858–1932) dispositioning the 2026-08-06 REMAINING list. CLAUDE.md's load-bearing security rules (trigger restrictions, fork-PR handling, SHA-pinning, least privilege, secret handling, log hygiene, no PR-code execution) don't apply here since no workflow/action file is touched.

Verification performed (local repo only — no gh/network access available in this sandbox):

• The Incident aggregator: lane routing (needs-human label + kind=routed-advisory marker) was never implemented #364/PR feat(claude-lane-incident): route the incident issue to the attended queue #385 claims (needs-human re-asserted on both open/update branches via addLabels, kind=routed-advisory idempotent marker) check out against .github/scripts/claude-lane-incident-write-job.pinned.yml:7-8,53,83, and bcf48a0 matches the actual merge commit on this branch.
• The claude-review: a workflow-validation skip is an undetectable silent no-review, plus a false review count and false marker copy #363 claims (class=skipped-validation, review-ran gating for the review lane vs. review-failed-only gating for the security lane, deferred to security lane: validation self-skip turns the REQUIRED check green with nothing reviewed #388) check out against claude-review.yml, claude-lane-incident.cjs, and claude-security-review.yml:1006-1084.
• I could not verify the cross-repo claims (PR fix(claude-review): make a workflow-validation skip visible, and stop crediting it #387/fix(claude-review): count only reviews that ran (A2: repoint + gate flip) #389 commit SHAs 7415d4e/9f9757e, github-iac fix(claude-security-review): fail the required check when an in-scope review could not run #269/chore(probe): draft-payload probe (throwaway, do not merge) #270/ci(claude-security-review): infra-failed review reports success and satisfies a required context, authorizing merge without a security pass #266, standards feat(scripts): add a per-lane Claude spend summary #337, claude-code-plugins #1990/#1992, claude-lane-sandbox feat: add shellcheck composite action #3, fleet pin e9443874) — gh/WebFetch both required approval that isn't available to this automated lane. These should be treated as author-claimed and unverified by me, not independently confirmed.

Observation (not a hard defect — flagging for the author to confirm intent):
The amendment resolves every item in the "REMAINING TO CLOSE PHASE 4" list, and Phase 4 was the last of the two standing exceptions blocking Phase 5's own "tags advanced" bullet — the other was Phase 3, closed 2026-08-03. See Phase 5's evidence block:
PLAN.md#L2049-L2051 — "Remaining: the final bullet — tags advanced + topic close-out — ... performed by the PR carrying this edit for every phase except Phase 3 ... and Phase 4."

With this PR closing the Phase 4 exception, Phase 5's stated blocker for that bullet appears fully satisfied, yet Phase 5 itself is still tagged [DOING]:
PLAN.md#L2015

This may well be intentional (Phase 5 close-out is described elsewhere as its own /planning:plan close-out step, possibly deliberately deferred to a separate PR), but given this document's own stated rigor about not letting a tag drift out of step with the underlying facts, it's worth a one-line confirmation from the author on whether Phase 5 should now also be revisited, or whether that's explicitly out of scope for this PR.

Everything else: the new amendment text is internally consistent with the rest of the ledger (dates progress 2026-08-06 → 08-07 decisions → 08-08 amendment; SC4's definition, the two SPEC CONFLICTS, and the four CANARY-PROPERTY targets are each referenced and dispositioned correctly), markdown formatting (bullet indentation, backtick pairing, bold-header convention) matches the surrounding document, and the byte-pinned regions are untouched as the PR description states.

No blocking issues found.
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