2026-10-30T04:22:41Z P0 passed; P1 audit done (hashes match, data clean). 2026-10-30T04:24:18Z P1-P3 passed; primary HAC lag 3 Bartlett fixed a priori; sensitivity shows bandwidth dependence, reported not switched. 2026-10-30T04:24:26Z P4 passed (gate run 1); P5 report and claims written; running final gate. 2026-10-30T04:24:30Z Final gate passed; task complete.