{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully",
   "contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "SHA-256 matches README/bundle",
   "945 rows, 2 cols, no gaps/duplicates",
   "1 missing value (2025-10-01) documented",
   "COVID outliers documented",
   "exclusions.csv sums verified (945-4=941)"
  ],
  "notes": "see data_audit.md"
 },
 "P2": {
  "status": "passed",
  "checks": [
   "naive baseline computed under same evaluation rule: rmse_naive_h1, rmse_naive_h3, mae_naive_*",
   "naive = last obs <= origin verified"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py reads only data/, deterministic, no RNG (random_seed null)",
   "AR2_diff pre-specified before test errors seen (log.md)"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "internal consistency checks all PASS (checks.md)",
   "look-ahead perturbation test PASS",
   "gate run end of P4: receipt 20261030T060321.751925Z.json - all contract/repro checks ok; only failure was phase_ledger non-terminal (P4/P5 open), resolved by this update"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md written with all 6 sections, every number cites a results key",
   "claims.json 6 claims, keys resolve",
   "final gate run recorded in log.md / gate_receipts",
   "gate run end of P5: receipt 20261030T060328.958349Z.json passed=True"
  ],
  "notes": ""
 }
}