# 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.