1{2 "P0":{"status":"passed","checks":["TASK.md read fully; contract.md written with estimands, outputs, rules, invalidity conditions"],"notes":""},3 "P1":{"status":"passed","checks":["SHA-256 recorded","schema/NA/duplicate/key-duplicate/balance checks run: all clean","exclusions.csv: 1200-0=1200"],"notes":"No availability violations"},4 "P2":{"status":"passed","checks":["pooled OLS beta_pooled=1.268 computed and cross-checked with statsmodels"],"notes":""},5 "P3":{"status":"passed","checks":["analysis.py reads only data/, writes results.json; no RNG"],"notes":"CR1 nested-FE convention documented"},6 "P4":{"status":"passed","checks":["clean re-run byte-identical (cmp)","beta/SE match statsmodels and within estimator","CI contains estimate; SEs positive; counts add up"],"notes":"see checks.md"},7 "P5":{"status":"passed","checks":["report.md has all 6 sections with results keys cited","claims.json written; all report claims in ledger"],"notes":""}8}9