{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully; contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "SHA-256 matches README",
   "945 rows, 2 cols, no dup dates, no gaps",
   "1 missing value 2025-10-01 recorded",
   "exclusions.csv sums: 945-1-3=941"
  ],
  "notes": "data_audit.md"
 },
 "P2": {
  "status": "passed",
  "checks": [
   "naive forecasts = last obs <= origin verified for all 72 naive rows",
   "naive RMSE/MAE recomputed from ledger"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py reads only data/, writes results.json, forecasts.csv, exclusions.csv",
   "no randomness; random_seed null"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "leakage test (future values perturbed) passed",
   "16 consistency checks PASS, see checks.md",
   "gate run 20261030T040119.136024Z: 40/41 ok; only failure = phase ledger not terminal (P4/P5 pending at time of run); reproducibility ok"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md has 6 required sections, every number cites a results key or state file",
   "claims.json: 4 claims, all keys resolve",
   "final gate run 20261030T040131.012947Z: PASSED 41/41"
  ],
  "notes": ""
 }
}