- 2026-10-30 P0 passed: contract written. Starting P1 data audit.
- 2026-10-30 P1 passed: audit + exclusions. Decision: use printed % for S3/S4 (convention), printed SE(b)=0.14 for S1. Starting P2/P3 (single script).
- 2026-10-30 INCIDENT: shell cwd had persisted in data/ so out/state was first created as data/out/; moved to ./out immediately, re-hashed all data files (unchanged). data_audit.md rewritten at correct path.
- 2026-10-30 P2, P3, P4 passed: baseline, analysis.py, clean re-run identical, 26 checks pass. Starting P5 reporting.
- 2026-10-30 P5 passed: report and claims written. Task complete.