1- 2026-10-30 P0 passed: contract written.2- 2026-10-30 P1 passed: design audited, no exclusions.3- 2026-10-30 P2,P3 passed (baseline iid; analysis.py). P4 checks done, running gate.4- 2026-10-30 Added supplementary keys (paired diff SE, near-threshold cells); P4 passed; P5 report/claims written; running final gate.5- 2026-10-30 Final gate passed (20261030T054107). All phases passed.6