1- 2026-10-30 P0 passed: contract written.2- 2026-10-30 P1 passed: audit done, one missing UNRATE month (2025-10) outside window.3- 2026-10-30 P2 passed: baseline RMSE computed inside analysis.py.4- 2026-10-30 P3 passed: OLS+NW HAC(L=4), subperiods, Chow; supplementary HAC Wald tests added because classical Chow assumes homoskedastic iid errors.5- 2026-10-30 P4 passed: reproducibility + consistency checks; gate receipt 20261030T045357 (fails only on P5 items).6- 2026-10-30 P5 passed: report, claims written; gate receipt 20261030T045441 PASSED.7