1# Log2- 2026-10-29 P0: read TASK.md, wrote contract. Decision: HC3 robust SE, t(n-2) 95% CI.3- 2026-10-29 P1: audit done (hashes match, 44 aggregates, analysis year 2023, 20 missing). P2/P3: baseline RMSE and OLS-HC3 implemented in analysis.py. P4: clean rerun identical; consistency checks pass.4- 2026-10-29 P4 passed (gate run 1). P5: report and claims written; running final gate.5- 2026-10-29 P5 passed; final gate PASSED after removing an unverified sentence from the report. Task complete.6