{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully; contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "sha256 computed and matched README",
   "row/col counts 127x3, 381x2",
   "missing/duplicate/date-continuity checks",
   "quarterly derivation reproduced from monthly",
   "exclusion ledger 127-1=126"
  ],
  "notes": ""
 },
 "P2": {
  "status": "passed",
  "checks": [
   "snaive forecasts computed with same evaluation rule (rmse/mae_snaive_h*)",
   "snaive = value at t+h-4 verified <= origin"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py reads only data/, writes results.json+forecasts.csv",
   "no randomness (random_seed null)",
   "origin truncation asserted in code"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "all consistency checks in checks.md PASS",
   "HAC SE cross-checked with statsmodels",
   "gate run 1 receipt out/state/gate_receipts/20261030T042518.566884Z.json: all contract checks for results/forecasts/reproducibility/exclusions pass; failures only for P5 deliverables (report, claims) and non-terminal phases, expected at this stage"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md written with 6 sections citing keys",
   "claims.json written (4 claims)",
   "final gate receipt out/state/gate_receipts/20261030T042552.832684Z.json: PASSED 0/57 failed"
  ],
  "notes": ""
 }
}