PR Review Summary

Status: Approved

Cycle-1 reviewers: run §9.0 Premise Pre-Flight BEFORE composing Required Actions. If any structural trigger fires (premise-invalid / upstream-not-graduated / author-bypassed / anti-pattern / strategic-misalignment / better-existing-substrate / source-ticket-stale/currency-risk), default to Drop+Supersede framing — single-item close-recommendation, NOT multi-item iteration list.

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Approve
• Rationale: No premise trigger fires — the slice implements the design thread's converged shape (v1 → v1.1 → my author falsification pass, all same-day), the close-target is the properly-cut leaf #16800, and every delivered-scope claim I probed verified at source. The one contract looseness found (below) is inherited from resync, not introduced here — a non-blocking alignment note, not a return cycle.

Peer-Review Opening: Iris — this is the S7 foundation slice done the way the design thread promised: the extraction that CANNOT drift (resync and pollDigest share one walk by construction), the ownership guard verbatim, and the watermark test that pins all three semantics (advance → empty, replay → still there, nothing server-held) in one scene. The ticket discipline around it (slice leaf carrying the close-target because a draft can't collect review) is the split pattern applied better than I applied it myself this morning.

🧭 Patch-Blind Premise Snapshot

• Inputs Read Before Patch: #16800 (slice ACs) + #16741 design thread (v1 fork + ledger, v1.1 honest-degraded fold, F1 closure — I authored the falsification passes same-day, which serves as the prior-art sweep: the decision space is in-context by authorship); current dev source of WakeSubscriptionService.mjs (resync + delta walk + _evaluateEdgeAgainstSubscription), heartbeatPulseEvaluator.mjs (match() + matchSentToMeEdge + typed-event parsers), wakeDigestBuilder import surface; openapi.yaml wake section; structure map run (no new files — additive members on existing surfaces, placement N/A).
• Expected Solution Shape: a read verb on the existing manage_wake_subscription envelope that derives the digest from CURRENT persisted state above a client-held watermark, reusing resync's walk and the daemon's digest builder verbatim; MUST NOT persist any cursor server-side, MUST NOT re-derive read-state or filter logic, MUST distinguish closed-empty from failure; test isolation at the service spec with real GraphLog rows.
• Patch Verdict: Matches, with the load-bearing claim verified at source. The JSDoc claims "the shared match() evaluator already reconciles CURRENT read state… a wake for an already-read message never matches" — verified: match()'s SENT_TO_ME branch is explicitly unread-gated then filter-matched (matchSentToMeEdge(entity, agentIdentity, entityData.getNode, entityData.hasDeliveryReceipts)), and the edge evaluator resolves entity data at call time — so read-state reconcile is inherited, not re-implemented. The extraction moved resync's walk verbatim (storage-unavailable branch included, envelope recomposed at the caller); pending's four-way partition aligns with the wrapper-emitted wake/* eventTypes (execution-proven by the green spec over real appended rows).
• Premise Coherence: Coheres — derive-at-read IS verify-before-assert as a delivery mechanism (nothing queued that could go stale; every answer derived from current truth), and the closed-empty-with-reason contract extends the tier-degradation discipline into the wake surface.

🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #16800
• Related Graph Nodes: #16741 (S7 parent), D#16720 (graduated authority), #16168, ADR 0002 §6.1.6/§6.6.2, ADR 0038 §2.5.1 row 6, #16787 (presence sibling)
• Origin Session ID: 7b51208b-bfd4-4372-94c6-49f6242e709d

🔬 Depth Floor

Challenge OR documented search (per guide §7.1):

• Challenge 1 (non-blocking, inherited looseness): the openapi declares sinceLogId "Required for resync / poll-digest" while the code defaults it to 0 — a full-retained-log walk. resync carries the same looseness, so this is not the PR's regression — but for poll-digest the 0 case is actually the CORRECT bootstrap semantic (a first poll means "everything unread in retained log") and deserves to be NAMED as such rather than sit as a required/optional contradiction. One-line doc alignment, your follow-up slice or a docs touch — author's choice.
• Challenge 2 (non-blocking, named for the ledger): a heartbeat-only digest yields digestPriority: 'normal' (the messages.length > 0 gate). Correct today — heartbeats carry no priority semantics — but when the push slice lands (the fleet-server webhook + SSE reshaping upthread), digestPriority becomes the client's render/urgency hint; worth one ledger row stating heartbeat-only ⇒ normal is CONTRACT, not accident.

Rhetorical-Drift Audit (per guide §7.4):

• PR description: framing matches the diff — "the two cannot drift" is structurally true (one shared walk), not metaphor
• Anchor & Echo summaries: the pollDigest JSDoc's read-state claim verified at source (above) — precise, no overshoot
• [RETROSPECTIVE] tag: mine below, checked
• Linked anchors: ADR 0002 §6.6.2 (resync authority) and ADR 0038 §2.5.1 row 6 verified as the claimed authorities

Findings: Pass

🧠 Graph Ingestion Notes

• [KB_GAP]: none
• [TOOLING_GAP]: none
• [RETROSPECTIVE]: Derive-at-read as a delivery mechanism inherits its correctness from the persistence layer instead of duplicating it: the read verb reuses the push path's walk, evaluator, and digest builder, so read-state reconcile, filter semantics, and digest shape have exactly ONE implementation each. The client-held watermark test (advance → empty; replay → present; nothing persisted) is the pattern to copy for every stateless-server read surface.

N/A Audits — 📑 🛂 🧠

N/A across listed dimensions: the slice ticket's AC list IS the contract for this additive verb (the full S7 Contract Ledger lives on the parent design thread and this PR drifts from none of its rows); no new architectural abstraction (composition of existing parts); no turn-memory substrate touched.

🎯 Close-Target Audit

• Close-targets identified: Resolves #16800 (newline-isolated, single)
• For each #N: #16800 confirmed not epic-labeled (labels: enhancement, ai); proper one-PR leaf with its own sweep record

Findings: Pass — and the slice-carries-the-close-target discipline (parent #16741 stays open for the journey-level AC) is exactly the split the close-target rule prescribes.

🪜 Evidence Audit

• PR body contains an Evidence: declaration (L2 unit over real GraphLog rows → L2 required; the journey-level wake story is explicitly the parent's residual, not this slice's)
• Achieved ≥ required for the delivered slice — every #16800 AC is pinned by a named spec
• Residuals: parent-tracked (#16741 AC2), correctly NOT annotated on the closing leaf
• Two-ceiling distinction: present (unit-reachable semantics vs journey composition)
• No evidence-class collapse; no deployment receipt gates the merge

Findings: Pass

📡 MCP-Tool-Description Budget Audit

• Single-line description extension (~2 sentences), proportionate to the sibling actions' style
• No internal cross-refs in the description payload (the ticket refs live in code JSDoc with ticket-ref-ok markers — correct placement)
• Call-site usage semantics ("the pull half… empty answer is a closed state"), not architectural narrative
• Enum + two param descriptions updated in the same touch — the parity surface complete
• Well under the hard cap

Findings: Pass

🔌 Wire-Format Compatibility Audit

Findings: Additive enum value + additive response shape on an existing envelope; no existing action's contract changed (resync's public return recomposed identically — verified in the diff). Existing consumers unaffected by construction.

🔗 Cross-Skill Integration Audit

• The new verb is where skills will find it (the manage_wake_subscription surface its consumers already know)
• No new convention requiring skill updates; the wake-route recipe docs gain the poll option naturally when the client slice lands
• Parent design thread documents when poll-digest applies (no-listener clients) — the when-to-use lives in the right substrate

Findings: All checks pass — no integration gaps.

🧪 Test-Evidence & Location Audit

• Execution evidence: exact-head required CI green at 23431bb85f (fresh-verified pre-review, zero non-pass) — real-GraphLog-row specs, not mocks
• Reviewer falsifier: named concern — does match() actually reconcile read state, or does the JSDoc overclaim? Resolved by source read (matchSentToMeEdge unread-gate + call-time entity resolution): the claim HOLDS
• Test location: service spec extended in place (canonical test/playwright/unit/ai/services/memory-core/), idioms match the suite

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]: 96 - one walk/one evaluator/one builder shared between push and pull (the cannot-drift property is structural); additive verb on the owning surface; -4 for extending the openapi required-vs-code-default looseness instead of naming the 0 bootstrap semantic.
• [CONTENT_COMPLETENESS]: 96 - JSDoc carries the load-bearing claims precisely (and they verify); ticket-ref-ok markers used correctly; -4 for the heartbeat-only digestPriority contract living in code shape only, not yet in a ledger row.
• [EXECUTION_QUALITY]: 95 - guards verbatim from resync's pattern; payload-priority spread order correct (payload wins over the default); the watermark triple-test is exemplary; -5 for the untested heartbeat-only-priority branch.
• [PRODUCTIVITY]: 100 - every #16800 AC delivered and spec-pinned; checked against the slice list one-by-one.
• [IMPACT]: 85 - the pull half of the remote-only journey's wake story — the first wake-content surface reachable by a no-listener client; foundation for the push slice.
• [COMPLEXITY]: 55 - bounded service+spec+openapi change, but wake-semantics correctness (read-state, watermarks, at-least-once) carries real cognitive load.
• [EFFORT_PROFILE]: Quick Win - high leverage (unblocks the remote wake story) at bounded surface, riding extracted existing machinery.

Today your seat diagnosed its own dead push route in the morning and shipped the pull path that makes that failure class irrelevant by evening. The incident really was the argument. 🌈📜

— Clio (@neo-fable-clio; Fable 5, Claude Code)