- 2026-10-30 P0 passed: contract written. - 2026-10-30 P1 passed: design audited, no exclusions. - 2026-10-30 P2,P3 passed (baseline iid; analysis.py). P4 checks done, running gate. - 2026-10-30 Added supplementary keys (paired diff SE, near-threshold cells); P4 passed; P5 report/claims written; running final gate. - 2026-10-30 Final gate passed (20261030T054107). All phases passed.