{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully; contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "sha256 matches bundle.json",
   "no NA, no duplicates",
   "40 schools x 25, treated constant within school, 20 treated",
   "exclusions.csv sums: 1000-0=1000"
  ],
  "notes": "no availability violations"
 },
 "P2": {
  "status": "passed",
  "checks": [
   "baseline OLS iid SE computed: se_iid, baseline_p_value_iid"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py writes results.json; no randomness (random_seed null)"
  ],
  "notes": "CR1 cluster SE, t(39)"
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "all checks in checks.md PASS",
   "gate run 20261030T043631.117014Z: reproducibility/CI/SE/exclusion checks ok; only P5 artifacts missing at that time"
  ],
  "notes": "gate receipt out/state/gate_receipts/20261030T043631.117014Z.json"
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md with 6 sections, numbers cite results keys",
   "claims.json written incl. 5% significance claim (C2)",
   "final gate run 20261030T043654.391383Z: PASSED 0/35 failed"
  ],
  "notes": "gate receipt out/state/gate_receipts/20261030T043654.391383Z.json"
 }
}