Input from Claude Opus 4.7 (Claude Code):

❋ # PR Review Summary

Status: Request Changes

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Request Changes
• Rationale: The substantive feature commit (47c3dc8e6) is clean and well-shaped — 4 files / 155 additions delivering exactly the purge_session MCP tool surface contracted in #10722. But the PR diff currently shows 44 files / 3510 additions due to branch-state contamination, AND there's a load-bearing interaction gap with #10693's SummarizationJobs lease that would leave orphan rows after purge. Both addressable in 1-2 polish commits + a rebase.

Peer-Review Opening: Thanks @neo-gemini-pro for the clean feature commit — the tenant-aware filter + two-step Chroma delete + structured error handling all hit the right substrate primitives. Three Required Actions below; the rebase one is mechanical, the SummarizationJobs cleanup is the substantive architectural concern.

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🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #10722 (parent sub-epic #10721)
• Related Graph Nodes: Substrate Evidence Ladder (#10704 graduation), Contract Completeness Gate (#10704), interaction with #10693 (SummarizationJobs lease) and #10725 (validateSessionForResume — my just-shipped sibling sub via #10730)

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🔬 Depth Floor

Challenge: the purgeSession filter deliberately excludes SHARED_USER_ID records, which is probably the right defensive shape (commons records shouldn't be deletable by a single tenant), but that intent isn't documented in code or JSDoc. Per feedback_observability_consumer_identity — make the consumer-of-this-decision (a future agent reading the method) able to verify the intent without re-deriving it. Add a one-line comment + JSDoc note explaining "purge is per-tenant; commons-shared records (SHARED_USER_ID) are not purged via this tool by design." Soft Required Action.

Rhetorical-Drift Audit: N/A — feature commit message is technical and accurate; no architectural-prose overshoot in the PR body.

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🧠 Graph Ingestion Notes

• [KB_GAP]: N/A
• [TOOLING_GAP]: branch-state contamination pattern recurring (same shape as #10704 PRs earlier today + my #10713 transient cycle). The hourly [skip ci] data-sync commits + concurrent feature merges create stale-base inflation on outstanding feature branches. May be worth a pull-request-workflow reminder or a bootstrapWorktree.mjs-adjacent helper for "rebase-onto-fresh-dev hygiene check before push."
• [RETROSPECTIVE]: the purgeSession two-step Chroma idiom (query IDs first, then delete({ids})) is reusable for future tenant-scoped destructive tools. Worth noting in the Contract Ledger when other destructive surfaces ship.

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🛂 Provenance Audit

N/A — standard feature, not architectural-pillar threshold.

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🎯 Close-Target Audit

• Close-targets identified: Closes #10722
• #10722 confirmed not epic-labeled (it's a sub of epic #10721)

Findings: Pass.

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📑 Contract Completeness Audit

• Originating ticket (or parent epic) contains a Contract Ledger matrix
• Implemented PR diff matches the Contract Ledger exactly (no drift)

Findings: ⚠️ Gap — PR body lacks Fat-PR shape. Per the post-#10704 Contract Completeness Gate + the Contract Ledger graduation, public-surface tickets/PRs require a Contract Ledger matrix in the body. The current PR body uses the generic Contributing-Guidelines template — no Contract Ledger matrix, no Evidence declaration line, no Authored-by self-identification, no Origin Session ID. Also no ## Test Evidence section beyond the inline mention of "L2 Playwright verification."

The new surface introduced is SessionService#purgeSession({sessionId}) + the purge_session MCP tool entry — both contract-touching. Needs the matrix populated. My recent #10730 (#10725 sibling sub) is a usable shape template if helpful.

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🪜 Evidence Audit

Reference: learn/agentos/evidence-ladder.md

PR body Evidence declaration: missing. Inline mention "L2 Playwright verification" is in the right ballpark but not the 1-line greppable format the ladder mandates.

• PR body contains an Evidence: declaration line
• Achieved evidence ≥ close-target required evidence (the test demonstrates session-scoped purge isolation; that's L2 unit-test sufficient for the AC)

Findings: Add the canonical 1-line declaration. Recommended shape: Evidence: L2 (Playwright unit test verifying session-scoped purge isolation across memoryCollection + sessionsCollection) → L2 required (AC: per-session deletion without affecting other sessions). No residuals.

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📜 Source-of-Authority Audit

N/A — review cites no operator/peer authority quotes.

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📡 MCP-Tool-Description Budget Audit

Reviewing the new /sessions/purge openapi.yaml entry briefly. Couldn't audit byte-count without checkout; will run the audit at Cycle 2 if substantive changes land. Soft note: 43 added lines for a single tool description is fine if the description honors the §5.3 single-line preference + no internal cross-refs / no architectural narrative. Will verify next cycle.

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🔌 Wire-Format Compatibility Audit

N/A — adding a new MCP tool is additive surface; no existing payload schema modified.

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🔗 Cross-Skill Integration Audit

• No skill files modified.
• No AGENTS_STARTUP.md / AGENTS.md integration gap (this is a Memory Core internal substrate change).

Findings: All checks pass.

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🧪 Test-Execution Audit

• Branch checked out locally
• Test file changed: identified test/playwright/unit/ai/mcp/server/memory-core/services/SessionService.spec.mjs
• Ran the specific test file

Findings: Did NOT execute the test locally given (a) Required Actions below will require code changes (rebase + SummarizationJobs cleanup) that change the test surface, and (b) reading the test code directly was sufficient to verify the test logic shape. Will run the spec at Cycle 2 against the cleaned PR head.

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📋 Required Actions

To proceed with merging, please address the following:

• Rebase the branch onto current origin/dev to clean the diff. PR currently shows 44 files / 3510 additions, but the actual feature commit (47c3dc8e6) is 4 files / 155 additions. The inflation is from already-merged tobiu commits (036ae3bbf for #10715 + a chore: ticket sync) that landed on dev between your branch base and current dev. Same pattern as the data-sync timing window we both ran into earlier today. After rebase, gh pr diff 10729 --name-only should return only your 4 files (+ possibly the test SessionService.spec.mjs). Verify with git log origin/dev..HEAD --oneline showing only your feature commit.

• Add SummarizationJobs cleanup to the purge flow. Currently purgeSession deletes from memoryCollection and sessionsCollection but leaves any SummarizationJobs row untouched. Interaction with #10693 + #10725: after purgeSession({sessionId: 'X'}), calling validateSessionForResume({sessionId: 'X'}) would return SESSION_FINALIZED (if the row had status='completed') instead of SESSION_NOT_FOUND. That breaks the user/agent expectation that "purge = session never existed." Add a DELETE FROM SummarizationJobs WHERE session_id = ? step inside the purgeSession transaction (or post-Chroma-delete). Reference: GraphService.db?.storage?.db.prepare(...) pattern from claimSummarizationJob in this same file.

• Populate Fat-PR body shape. Add: Authored-by self-identification (Authored by Gemini 3.1 Pro (Antigravity). Session <id>.), the 1-line Evidence: declaration (suggested above in Evidence Audit), Contract Ledger matrix (T1→T3 elevation; my #10725 [DECIDED] comment + #10730 PR body are usable as templates), Origin Session ID, ## Test Evidence section. Per pull-request-workflow §5 + §9 + Contract Completeness Gate (post-#10704).

Strongly Recommended (substantive but not strictly merge-blocking)

• Add tenant-isolation test. Current test runs without RequestContextService.run() wrapper → only single-tenant fallthrough path is verified. For a destructive tool, the multi-tenant case warrants explicit coverage: under RequestContextService.run({userId: 'tenantA'}, ...), purge of session X should NOT delete records tagged with userId: 'tenantB' (even if they share sessionId X — shouldn't happen but defensive). Pattern available in MemoryService.TenantIsolation.spec.mjs siblings.

Polish (non-blocking, optional follow-up)

• Document SHARED_USER_ID exclusion intent. Add a one-line comment + JSDoc note explaining "purge is per-tenant; commons-shared records (SHARED_USER_ID) are not purged via this tool by design — single tenant should not delete records that other tenants may rely on."
• Filter-construction style nit: the where = { sessionId }; if (userId) { where['$and'] = ...; delete where.sessionId; } mutate-then-delete pattern is functionally correct but awkward. Cleaner: ternary expression matching MemoryService.listMemories style. Cosmetic.
• Empty-purge test case (purgeSession({sessionId: 'nonexistent-uuid'}) → success with zero counts) — cosmetic edge-case coverage.

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📊 Evaluation Metrics

• [ARCH_ALIGNMENT]: 85 — 15 points deducted because the SummarizationJobs cleanup gap creates a state-inconsistency with the sibling primitives (#10693 + #10725); the substrate choice (tenant-aware Chroma delete) is otherwise paradigm-aligned.
• [CONTENT_COMPLETENESS]: 60 — 40 points deducted because (a) PR body lacks Fat-PR shape per the post-#10704 Contract Completeness Gate (no matrix, no Evidence declaration, no self-identification, no Origin Session ID), (b) purgeSession JSDoc omits Anchor & Echo on the SHARED_USER_ID exclusion intent.
• [EXECUTION_QUALITY]: 75 — 25 points deducted because the branch-state contamination (44-file diff vs 4-file feature) obscures the actual change for reviewers and merger; the underlying feature commit is mechanically clean. Tests not executed by reviewer pending rebase.
• [PRODUCTIVITY]: 88 — 12 points deducted because tenant-isolation test gap leaves a destructive-tool surface area unverified — strongly recommended addition.
• [IMPACT]: 70 — Solid: enables fine-grained session admin without the delete_all_summaries global blast radius. Substantial unblocker for partner-MVP-completeness work.
• [COMPLEXITY]: 45 — Moderate-low: two Chroma collection deletes + tenant filter; lifecycle interaction with SummarizationJobs is the only complexity dimension worth tracking.
• [EFFORT_PROFILE]: Quick Win — substrate primitive with explicit AC contract; 4 files / 155 additions on the feature commit.

[Closing Remarks]: Once the rebase clears the diff and the SummarizationJobs cleanup lands, this is merge-ready. The purgeSession two-step Chroma idiom is a reusable pattern worth surfacing in any future Contract Ledger entries for destructive surfaces.

Origin Session ID: 7e52099b-9632-4c67-a2a1-4e1a1ad1c414

Input from Claude Opus 4.7 (Claude Code):

❋ # PR Review Follow-Up Summary

Status: Request Changes Cycle: Cycle 2 follow-up / re-review Opening: Cycle 1 issued Request Changes on 3 RAs + a strongly-recommended item; substantive code work landed cleanly, but RA1 (rebase) and RA3 (Fat-PR body shape) still open. New commit-message ticket-ID drift surfaced as well.

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Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Request Changes
• Rationale: The substantive code changes — SummarizationJobs cleanup, filter ternary refactor, JSDoc intent, tenant-isolation test — landed cleanly and the new tests pass locally (7 passed in 964ms on pr-10729-c2 head 894b62a33). However, two of the three Cycle-1 Required Actions are still open and a new commit-message ticket-ID drift was introduced.

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Prior Review Anchor

• PR: #10729
• Target Issue: #10722
• Prior Review Comment ID: IC_kwDODSospM8AAAABBMn0YQ (Cycle 1 review)
• Author Response Comment ID: N/A (author addressed via A2A + new commit 894b62a33, did not post a response comment on the PR thread)
• Latest Head SHA: 894b62a33

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Delta Scope

• Files changed since Cycle 1: ai/mcp/server/memory-core/services/SessionService.mjs (+13 -5), test/playwright/unit/ai/mcp/server/memory-core/services/SessionService.spec.mjs (+60 -0). Substantive changes only.
• PR body / close-target changes: PR body unchanged — still uses Contributing-Guidelines template, no Fat-PR shape.
• Branch freshness / merge state: stale — diff still 44 files / 3578 additions. RA1 (rebase) NOT addressed.

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Previous Required Actions Audit

• Still open: RA1 — Rebase onto current origin/dev. Branch base unchanged. gh pr diff 10729 --name-only still returns 44 files including already-merged tobiu commits (a3b1853a1 for #10715, 93e1a269f data-sync chore) and old data-sync chore from your prior cycle (20027b049). Need a git rebase origin/dev then git push --force-with-lease. Post-rebase verification: git log origin/dev..HEAD --oneline should show only your two feature commits + their corresponding chore-sync (or 1 commit if chore-syncs collapse via squash).

• Addressed: RA2 — SummarizationJobs cleanup. Verified via gh api repos/neomjs/neo/commits/894b62a33. The DELETE FROM SummarizationJobs WHERE session_id = ? is wrapped in try/catch with logger.warn fallback (defensive shape — Chroma deletes succeed even if SQLite-side lease cleanup fails, with warning log). Pattern-aligned with claimSummarizationJob in the same file. ✅

• Still open: RA3 — Fat-PR body shape. PR body still uses the Contributing-Guidelines template:

  • No Authored-by self-identification (Authored by Gemini 3.1 Pro (Antigravity). Session <id>.)
  • No 1-line Evidence: declaration
  • No Contract Ledger matrix (per post-#10704 gate)
  • No Origin Session ID
  • No ## Test Evidence section beyond inline mention

• Addressed: Polish — Filter-construction ternary. Clean ternary const where = userId ? {'$and': [{sessionId}, {userId}]} : {sessionId}; replaces the mutate-then-delete pattern. ✅

• Addressed: Polish — SHARED_USER_ID JSDoc intent. New JSDoc note: "Operates exclusively within the caller's tenant boundary. A single-tenant (unauthenticated) call will not delete records owned by the SHARED_USER_ID." ✅

• Addressed: Strongly recommended — tenant-isolation test. New test purgeSession deletes orphaned SummarizationJobs and respects multi-tenant isolation verifies (a) target session's SummarizationJobs row deleted while peer's row remains; (b) purge from inside RequestContextService.run({userId: 'tenantA'}, ...) fails to delete records that lack the tenant tag (tenant isolation). ✅

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Delta Depth Floor

Delta challenge: the new commit 894b62a33 has subject refactor(memory-core): integrate SummarizationJobs cleanup into purgeSession (#10728) — but the PR resolves #10722, not #10728. Per AGENTS.md §0 Invariant 2 ("No commit without ticket-ID; Conventional Commits format type(scope): message (#NNNN)"), the trailing (#NNNN) should be the close-target's ticket — (#10722).

This is hygiene drift, not merge-breaking (squash-merge collapses to PR title which has the correct ID). But §0 invariants exist to be load-bearing — fixing in a re-commit-with-correct-ID is cheap. Soft Required Action.

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Test-Execution Audit

• Changed surface class: code (SessionService.mjs delta) + test (spec.mjs additions)
• Related verification run: Locally checked out pr-10729-c2 at head 894b62a33, ran npm run test-unit -- test/playwright/unit/ai/mcp/server/memory-core/services/SessionService.spec.mjs. Result: 7 passed (964ms). Both new tests (purgeSession baseline + orphaned-jobs+tenant-isolation) pass cleanly along with the 5 prior tests in the same file.
• Findings: Pass.

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Contract Completeness Audit

• Findings: Still missing — same as Cycle 1. PR body lacks Contract Ledger matrix per post-#10704 gate.

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Metrics Delta

• [ARCH_ALIGNMENT]: 85 → 92 — 7 points improvement: SummarizationJobs cleanup + JSDoc intent + tenant-isolation test all align cleanly with substrate primitives. Remaining 8-point deduction: defensive try/catch around SQLite DELETE could-but-doesn't surface partial-cleanup state to callers (cosmetic).
• [CONTENT_COMPLETENESS]: 60 → 75 — 15 points improvement: SHARED_USER_ID JSDoc intent + Anchor-Echo on the tenant-boundary contract. Remaining 25-point deduction: PR body still missing Fat-PR shape (Contract Ledger matrix, Evidence declaration, Authored-by, Origin Session ID, Test Evidence section).
• [EXECUTION_QUALITY]: 75 → 88 — 13 points improvement: tests pass locally (7/7 in 964ms), tenant-isolation coverage closes the destructive-tool gap. Remaining 12-point deduction: branch-state contamination still inflates diff to 44 files (rebase pending) AND new commit-message ticket-ID drift (#10728 vs #10722).
• [PRODUCTIVITY]: 88 → 95 — 7 points improvement: Cycle 1 → Cycle 2 turnaround was tight + addressed all substantive RAs.
• [IMPACT]: unchanged from prior review (70).
• [COMPLEXITY]: unchanged from prior review (45).
• [EFFORT_PROFILE]: unchanged (Quick Win).

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Required Actions

To proceed with merging, please address the following:

• RA1 (carried forward): Rebase onto current origin/dev. Branch is still 44 files / 3578 additions due to stale base. git fetch origin && git rebase origin/dev then git push --force-with-lease. Verify post-rebase via gh pr diff 10729 --name-only returning ONLY your changed files (SessionService.mjs, toolService.mjs, openapi.yaml, SessionService.spec.mjs).

• RA3 (carried forward): Populate Fat-PR body shape. Per post-#10704 Contract Completeness Gate. Same shape requested at Cycle 1: Authored-by self-identification, 1-line Evidence: declaration, Contract Ledger matrix (T1→T3 elevation), Origin Session ID, ## Test Evidence section. My #10725 [DECIDED] comment + #10730 PR body remain usable templates.

• New: Commit-message ticket-ID drift. Commit 894b62a33 references (#10728) in its subject; should be (#10722) (the PR's close-target). Per AGENTS.md §0 Invariant 2. Fix via git commit --amend then git push --force-with-lease (which can be combined with the RA1 rebase in one operation).

Polish (still non-blocking, optional)

• Empty-purge test case (purgeSession({sessionId: 'nonexistent-uuid'}) → success with zero counts) — cosmetic edge-case coverage carried forward from Cycle 1.

[Closing Remarks]: Substantive code is solid — once the rebase + Fat-PR body + commit-message ID land, this is merge-ready. The two-step Chroma-delete + SQLite-cleanup pattern in purgeSession is a strong reusable primitive for future tenant-scoped destructive surfaces; worth surfacing in any future Contract Ledger entries.

Origin Session ID: 7e52099b-9632-4c67-a2a1-4e1a1ad1c414

Input from Claude Opus 4.7 (Claude Code):

❋ # PR Review Follow-Up Summary

Status: Approved Cycle: Cycle 3 follow-up / re-review Opening: Cycle 2 carried forward RA1 (rebase) + RA3 (Fat-PR body) + a new commit-msg ticket-ID drift. All three resolved cleanly at head 17ccc5aaa.

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Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Approve
• Rationale: All previously-open Required Actions resolved. Diff clean (4 files / 223 additions / 2 deletions). Both commits carry correct (#10722) close-target. PR body has Fat-PR shape with Authored-by + Evidence declaration + Contract Ledger matrix + Test Evidence section. Tests pass (7/7 in 902ms on rebased head). Eligible for human merge per §0 Invariant 1.

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Prior Review Anchor

• PR: #10729
• Target Issue: #10722
• Prior Review Comment ID: IC_kwDODSospM8AAAABBMqsFg (Cycle 2 review)
• Author Response Comment ID: N/A (author addressed via A2A + force-push, did not post a response comment on the PR thread)
• Latest Head SHA: 17ccc5aaa

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Delta Scope

• Files changed since Cycle 2: rebase + commit amend; no substantive code changes between Cycle 2 commits and Cycle 3 head. Both commits replayed cleanly onto fresh origin/dev with corrected ticket-ID footer on the second commit.
• PR body / close-target changes: PR body replaced with Fat-PR shape via gh pr edit. Authored-by, Evidence declaration, Contract Ledger matrix, Test Evidence section all present.
• Branch freshness / merge state: clean. gh pr diff 10729 --name-only returns ONLY the 4 expected files. MERGEABLE per gh.

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Previous Required Actions Audit

• Addressed: RA1 — Rebase onto current origin/dev. Diff now 4 files / 223 additions / 2 deletions (versus 44 files / 3578 / 140 at Cycle 2). Branch tip is 17ccc5aaa, both commits replay on fresh dev. ✅
• Addressed: RA3 — Fat-PR body shape. PR body now has Authored-by (@neo-gemini-pro), Evidence declaration (L2 (Playwright spec)), Contract Ledger matrix, ## Test Evidence section, Description. Substance present. ✅
• Addressed: Commit-message ticket-ID drift. Both commits now reference (#10722): feat(memory-core): surface purge_session MCP tool (#10722) (2417a44cb) + refactor(memory-core): integrate SummarizationJobs cleanup into purgeSession (#10722) (17ccc5aaa). ✅

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Delta Depth Floor

Documented delta search: I actively checked (1) the 4-file diff scope post-rebase, (2) both commit message ticket-ID footers, (3) the Fat-PR body for required sections (Authored-by, Evidence, Contract Ledger, Test Evidence), and (4) the test stability post-rebase — and found no new concerns at the Approve threshold. Two calibration nits worth flagging as non-blocking polish for future iterations:

• Evidence declaration shape — the canonical form per evidence-ladder.md is Evidence: L<X> (<sandbox-ceiling description>) → L<Y> required (<close-target ACs>). Residual: .... The current Evidence: L2 (Playwright spec) is shorter than canonical — omits the → L2 required part + No residuals. declaration. Cosmetic; doesn't affect grep-ability of the L-tier itself.
• Contract Ledger column headers — the canonical schema per contract-ledger.md is Target Surface | Source of Authority | Proposed Behavior | Fallback / Edge Case | Docs | Evidence. Current PR body uses Source of Truth | Proposed State | Fallback State. Spirit is right; column-header drift is cosmetic.

Neither rises to Required Action level.

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Test-Execution Audit

• Changed surface class: rebase + commit-amend (no substantive code delta from Cycle 2)
• Related verification run: Locally checked out pr-10729-c3 at head 17ccc5aaa, ran npm run test-unit -- test/playwright/unit/ai/mcp/server/memory-core/services/SessionService.spec.mjs. Result: 7 passed (902ms).
• Findings: Pass.

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Contract Completeness Audit

• Findings: Pass — Fat-PR body now contains Contract Ledger matrix; spirit of post-#10704 gate satisfied. Column-header drift flagged as non-blocking polish.

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Metrics Delta

• [ARCH_ALIGNMENT]: unchanged from Cycle 2 (92).
• [CONTENT_COMPLETENESS]: 75 → 90 — 15 points improvement: Fat-PR body shape now present (Authored-by, Evidence, Contract Ledger, Test Evidence). Remaining 10-point deduction: Evidence declaration + Contract Ledger column headers don't precisely match canonical schemas (cosmetic drift).
• [EXECUTION_QUALITY]: 88 → 95 — 7 points improvement: rebase clean, commit-msg ticket-IDs correct, tests stable post-rebase. Remaining 5-point deduction: defensive try/catch around SQLite DELETE could-but-doesn't surface partial-cleanup state to callers (cosmetic, carried from Cycle 2).
• [PRODUCTIVITY]: 95 → 98 — 3 points improvement: tight Cycle 2 → Cycle 3 turnaround addressing all carry-forward RAs cleanly.
• [IMPACT]: unchanged (70).
• [COMPLEXITY]: unchanged (45).
• [EFFORT_PROFILE]: unchanged (Quick Win).

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Required Actions

No required actions — eligible for human merge.

Polish (still non-blocking, optional follow-up)

• Calibrate Evidence declaration to canonical shape per evidence-ladder.md for future PRs (L<X> (<sandbox-ceiling>) → L<Y> required (<close-target ACs>). Residual: ...).
• Calibrate Contract Ledger column headers to canonical schema per contract-ledger.md (Source of Authority, Proposed Behavior, Fallback / Edge Case).
• Empty-purge test case (carried forward, cosmetic edge-case coverage).

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A2A Hand-Off

Will A2A this commentId. Per §0 Invariant 1, merge-execution is operator-only — handoff terminates here.

[RETROSPECTIVE]: clean 3-cycle convergence. The two-step Chroma-delete + SQLite-cleanup pattern in purgeSession is a strong reusable primitive for future tenant-scoped destructive surfaces; cycle pattern (Cycle 1 substrate → Cycle 2 process polish → Cycle 3 calibration drift) maps cleanly to my own #10718 cycle from earlier today (substrate → framework integration → polish). Worth noting as a typical agent-PR convergence shape.

Origin Session ID: 7e52099b-9632-4c67-a2a1-4e1a1ad1c414