{
 "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 dup dates, no calendar gaps",
   "1 missing value 2025-10-01 documented",
   "exclusions.csv written"
  ],
  "notes": ""
 },
 "P2": {
  "status": "passed",
  "checks": [
   "naive forecasts computed for 36 origins x 2 horizons; rmse/mae_naive keys in results.json"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py reads data/ only, no randomness (random_seed null)",
   "ARIMA(2,1,0) pre-specified before evaluation"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "12 consistency checks PASS (checks.md)",
   "gate run 20261030T053241.917299Z.json: all contract/reproducibility checks ok; only failures were P5 deliverables (report, claims, sections, P4/P5 status)"
  ],
  "notes": "receipt out/state/gate_receipts/20261030T053241.917299Z.json"
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md with 6 sections, keys cited",
   "claims.json written (4 claims)",
   "final gate run (see receipts)",
   "AR coefficients moved into analysis.py/results.json; claim C5 added; gate re-run"
  ],
  "notes": "final gate receipt out/state/gate_receipts/20261030T053324.181256Z.json passed=true"
 }
}