1- 2026-10-30 P0 passed: contract written.2- 2026-10-30 P1: audit done; decision: ignore cpi_assembled.csv for computation (shifted/wrong vintage).3- 2026-10-30 P1: audit done; decision: ignore cpi_assembled.csv for computation (shifted/wrong vintage).4- 2026-10-30 P2,P3 passed; P4 checks pass, running gate.5- 2026-10-30 P4 passed (gate receipt 20261030T043332); P5 passed, final gate PASSED (20261030T043358).6