{
 "P0": {
  "status": "passed",
  "checks": [
   "contract.md written covering question, estimand, outputs, rules, invalidity"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "sha256 recorded",
   "schema/missing/duplicates/cluster balance/within-school treatment constancy checked",
   "exclusions.csv sums 1000-0=1000"
  ],
  "notes": ""
 },
 "P2": {
  "status": "passed",
  "checks": [
   "se_iid baseline computed (0.282)"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py runs, reads data/ only, no randomness"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean rerun identical",
   "checks.md items 1-9 pass",
   "gate run 20261030T043607.945137Z: all P4-scope checks (results keys, CI, positive SE, exclusion ledger, reproducibility) ok; failures only for P5 deliverables not yet written"
  ],
  "notes": "receipt out/state/gate_receipts/20261030T043607.945137Z.json"
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md with 6 sections, each number cites a results key",
   "claims.json written incl. 5% significance claim (C2)",
   "final gate run (see notes)"
  ],
  "notes": "final gate receipt out/state/gate_receipts/20261030T043632.280156Z.json: PASSED 0/35 failed"
 }
}