1- 2026-10-30 P0 passed: contract written.2- 2026-10-30 P1 passed (audit, no exclusions); P2 baseline header-only screen flags R3; P3 analysis.py written, result: unverifiable = [R3].3- 2026-10-30 P4 passed; gate receipt 20261030T051754 (only P5 items missing).4- 2026-10-30 P5 passed; final gate receipt 20261030T051826 PASSED.5