PR Review Summary

Status: Approved

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

• Decision: Approve
• Rationale: The record-only gap closes through the exact authority topology ADR-0026 prescribes — controller names a semantic knob, registry owns the step policy, actuator resolves live context, validation refuses at the cap — and the ADR amendment ships in the same PR so the sanction never travels separately from the sanctioned code. One non-blocking scope-housing nit below; nothing warrants a return cycle.

Peer-Review Opening: Euclid — the shape here is the reviewable achievement: raise-ceiling becomes actuatable without the controller gaining one bit of config-leaf authority. The beyond-cap-proposal-then-refusal design (never clamp; make the terminal observable) and the invalid-candidate-travels-with-violations return shape are both the kind of mechanism that stays correct under future controllers.

🧭 Patch-Blind Premise Snapshot

• Inputs Read Before Patch: Ticket #16596 (wrong-heal premise: a store's corpus IS the workload — shedding relieves nothing; measured 2026-08-06 receipts), ADR-0026 at dev (knob-transaction boundary, §2.5 envelope, the #16638 boundary-enforcement falsifier lineage), ADR-0019 read per critical gate #10 (the antipattern catalog as the seam-review instrument), current dev controller/actuator/registry source.
• Expected Solution Shape: Route raiseCeiling to the existing actuator with a semantic knob name only; the 8→16 GiB step policy must live in the closed registry beside its band and invariants (never in the controller); the actuator resolves the live Docker limit and sends the selected values through the SAME validation/write/runtime boundaries as explicit proposals; no new config-leaf authority anywhere; tests must isolate storage without touching the shared AiConfig singleton.
• Patch Verdict: Matches, with one improvement over my expectation: the selector deliberately proposes live * 2 beyond the cap so validation refuses — the cap becomes an inspectable terminal that marches the §2.5 cadence into alarm-only, instead of an endless stream of fake-success 16 GiB "raises".
• Premise Coherence: Coheres — codify-don't-promise (the ADR amendment rides the implementing PR); the knob boundary is the flat-peer analogue for machines: authority narrowly scoped and mechanically enforced, not conventionally promised.

🕸️ Context & Graph Linking

• Target Epic / Issue ID: Resolves #16596
• Related Graph Nodes: #13936 (residual owner), #16638 (boundary-enforcement lineage), #16636 (throttle-shed reconciliation, correctly out of scope), ADR-0026, ADR-0019
• Origin Session ID: 8637b4b9-b852-45d9-b057-de34184aae8b

🔬 Depth Floor

Challenge (per guide §7.1):

1. Follow-up concern (the one real finding, non-blocking): ADR-0026's provenance-bound paragraph says the live-vs-last-raise divergence-detection fact "belongs with the reactive-controller lane on #16596, not silently in this PR" — and this PR (correctly) does not sneak it in. But the PR closes #16596, and residual-owner #13936's body does not currently mention the divergence/in-effect item (verified by body grep). Ask: one sentence annotating #13936 (or a successor note at #16596 close) so the unlogged-reversal detection fact has a named home and doesn't orphan when the close lands.
2. Edge checked and cleared — live = 0 (unlimited container): the registry selector would numerically propose the 8 GiB floor for an unlimited container (a constraining write). Cleared because the L0 boundary refuses unlimited/unreadable limits before any Docker mutation (ADR-0026 §consequences, the #16638 falsifier paragraph), and the saturation diagnosis cannot fire without a limit to compute against — the path is doubly unreachable; the selector JSDoc's "positive live value" wording matches the ADR.
3. Verified rather than assumed — the fence claim: the controller comment now states recording terminals "carry the same fence"; I read the file at exact head e968d6a13b and confirmed TWO declineIfAuthorityLost sites (:248 record path — new, :256 actuate path). The prose change is backed by mechanism, not drift.

Rhetorical-Drift Audit (per guide §7.4):

• PR description: matches the diff (controller-blind claim verified against the route table + spread; "closed registry selects" verified against selectAutomaticKnobTransaction)
• Anchor & Echo: the registry JSDoc explains the no-clamp rationale precisely; controller doc rewrite reflects the shipped routes
• [RETROSPECTIVE]-class prose: the ADR amendment's "completed 2026-08-12, #16596" line is accurate to what ships
• Linked anchors: #16638's falsifier lineage cited where the boundary enforcement actually lives

Findings: Pass.

🧠 Graph Ingestion Notes

• [RETROSPECTIVE]: Two exportable patterns: (1) propose-beyond-then-refuse — when autonomy hits a declared cap, emit an invalid candidate and let validation refuse loudly rather than clamping into silent fake-success; the terminal becomes observable and cadence-governed. (2) invalid-candidate-travels-with-violations — selectAutomaticKnobTransaction returns {valid, values, violations} with the refused candidate intact, so the ledger records exactly why autonomy stopped without a second validation vocabulary.

N/A Audits — 📡 🔗

N/A across listed dimensions: no OpenAPI surfaces touched; no new skills/conventions/MCP tools (the ADR amendment is the required cross-substrate update and it ships in-PR).

🎯 Close-Target Audit

• Close-targets identified: #16596 (newline-isolated Resolves ✓)
• #16596 confirmed not epic-labeled; #13936 correctly non-closing under Related:

Findings: Pass.

📑 Contract Completeness Audit

• The actuator interface change (apply(serviceKey, action, {knob?})) is documented in the amended ADR-0026 §2.4 in this same PR — the contract authority and the implementation move together
• No drift between the shipped route table / registry policy and the ADR's amended text (ladder wording, no-clamp rule, registry-not-controller authority all verified against the diff)

Findings: Pass.

🪜 Evidence Audit

• PR body carries the Evidence: line: L2 (real diagnosis → controller → actuator composition, Docker boundary faked) → L3 required, Residual: deployed AC9 live-raise observation, Residual-Owner: #13936
• #13936 verified OPEN and is not the close target ✓
• Two-ceiling distinction stated (sandbox ceiling = the Docker boundary; not author under-probing)
• No evidence-class collapse: the body claims composition-level proof, not deployed proof

Findings: Pass — with the §Depth-Floor item 1 ask (annotate #13936 with the divergence-detection fact) as the only loose thread.

🧪 Test-Evidence & Location Audit

• Execution evidence: exact-head CI green at e968d6a13b; author receipts current-head (100 focused tests across registry/actuator/controller/ADR-contract surfaces; check-aiconfig-test-mutation 1,193 files zero new violations — the right guard for the new seam; lint-guides clean; agent-preflight pass)
• Reviewer falsifier: the fence claim (named concern) — resolved by reading the controller at exact head, two fence sites confirmed
• Test location: pass — specs extend the canonical existing suites in place; the ADR-contract specs (recoveryActuatorAdrCoherence, ActionClassAdrAccounting) are exactly where amended-ADR coherence should be asserted

Findings: Pass.

📋 Required Actions

No required actions — eligible for human merge.

(The #13936 annotation ask in Depth-Floor item 1 is a one-sentence courtesy, not a merge gate.)

📊 Evaluation Metrics

• [ARCH_ALIGNMENT]: 100 - Authority topology lands exactly where ADR-0026 puts it (policy in the closed registry beside band+invariants; controller stays leaf-blind; actuator stays controller-blind); the ADR-0019 seam check cleared — recoveryOverrideDir_ is test-isolation-by-construction with per-read SSOT derivation via the established beforeGet sibling idiom, no threading, no mutation, no defensive ?..
• [CONTENT_COMPLETENESS]: 95 - Registry/actuator/controller JSDoc carries the load-bearing rationale (no-clamp, fence extension, seam semantics); ADR amended in-PR. 5 deducted: the PR body's graph-linking surface omits its author-session UUID (identity line present, session UUID absent).
• [EXECUTION_QUALITY]: 100 - Fence claim verified in code at head; live=0 edge doubly covered at the L0 boundary; selected-values flow reaches both the overlay write and the cgroup update (selectedKnobValues[leafPaths[0]]); refusal paths return inspectable violations; AiConfig mutation guard run across 1,193 test files.
• [PRODUCTIVITY]: 100 - The ticket's named gap (record-only raise-ceiling) is closed end-to-end with the deltas-from-ticket honestly declared and each one an improvement (registry-owned values, boundary ladder, bounded test seam).
• [IMPACT]: 85 - Completes the store-saturation heal path for every deployed plane (the 2026-08-06 measured cliff gets an autonomous, bounded answer); scoped below framework-wide.
• [COMPLEXITY]: 55 - Three cooperating authority layers plus an ADR amendment and contract specs; the reasoning load is in the boundary semantics, not the line count.
• [EFFORT_PROFILE]: Heavy Lift - Privilege-boundary work where the design constraints (no controller authority, no clamp, fence extension) dominate the implementation effort.

The propose-beyond-then-refuse terminal is the detail I expect us to reuse. 🌿