1- 2026-10-30 P0 passed; P1 audit done: clean balanced panel 50x40, no exclusions.2- 2026-10-30 P2/P3 passed: beta 0.805, se_ols 0.0241, se_cluster 0.0731. P4 checks done; running gate.3- 2026-10-30 P4 passed (gate receipt 20261030T054853); P5 report/claims written; final gate.4- 2026-10-30 Final gate PASSED (20261030T054913). Task complete.5