1{2 "P0": {"status": "passed", "checks": ["TASK.md read fully", "contract.md written with estimands, outputs, rules"], "notes": ""},3 "P1": {"status": "passed", "checks": ["SHA-256 matches README/bundle", "417 rows x 7 cols, no gaps/duplicates", "missing values located (neworder_chg 1992-01/02)", "outliers flagged", "exclusions.csv sums: 417-2-2=413"], "notes": "README/data minor inconsistency on 1992-01 change values noted"},4 "P2": {"status": "passed", "checks": ["naive and expanding-mean baselines computed with same 60-origin evaluation: rmse_naive, rmse_mean, mae_*"], "notes": ""},5 "P3": {"status": "passed", "checks": ["analysis.py reads only data/, deterministic, no RNG", "ridge per spec with per-origin standardisation", "DM tests added"], "notes": ""},6 "P4": {"status": "passed", "checks": ["clean re-run byte-identical", "independent ridge/baseline reimplementation max diff 5e-11", "leakage perturbation test passed", "metric identities & counts", "see checks.md"], "notes": "checker off-by-one found and fixed (not in script)"},7 "P5": {"status": "passed", "checks": ["report.md has 6 required sections, all numbers cite keys", "claims.json keys exist in results.json"], "notes": ""}8}9