{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully",
   "contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "sha256 recorded for both inputs",
   "row/field counts, schema, ranges, missing, duplicates audited",
   "exclusions.csv chained ledger written by analysis.py",
   "no availability-rule violations; decision: no reconstruction of garbled rows"
  ],
  "notes": "36 garbled lines; 25 quoted thousands-separator prices"
 },
 "P2": {
  "status": "passed",
  "checks": [
   "baseline control totals n_records_control and sum_price_control recorded in results.json"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py reads only data/, deterministic, no seed (random_seed null)",
   "writes results.json, analytic.csv, exclusions.csv"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run produces byte-identical outputs",
   "15 consistency checks all PASS (see checks.md)"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md with 6 required sections, quantities cite results keys",
   "claims.json with 8 supported claims, all keys exist in results.json"
  ],
  "notes": ""
 }
}