# Log - 2026-10-30 P0: read TASK.md, wrote contract.md. P0 passed. - 2026-10-30 P1: audited design.csv (9 rows, consistent); no exclusions. Decision: WCB quantile = ceil((B+1)*0.95)=380th order statistic of |t*| (standard for B=399). P1 passed. - 2026-10-30 P2/P3 passed: baseline iid CI + full simulation in analysis.py (2 s). P4 checks recorded in checks.md. - 2026-10-30 P4 passed (gate receipt 20261030T054124; only P5-owned items failing). Starting P5. - 2026-10-30 P5 passed: report.md, claims.json written; final gate PASSED. Task complete.