- 2026-10-30 P0 passed: contract written. P1 started.
- 2026-10-30 P1: audit done; decision to exclude 12 negative training_hours rows, with full-sample sensitivity.
- 2026-10-30 P1: audit done; decision to exclude 12 negative training_hours rows, with full-sample sensitivity.
- 2026-10-30 P2-P3 passed (baseline + adjusted model). P4 passed (identical re-run, all checks). P5 passed (report, claims). Task complete.