Machine-readable relax-to-anisotropy contract (quest 01a0878c item 01a08ba0-847e-7238): frozen settings per stage (relax d180f520, moments 0a23817e, MAE 331d9faf), gates R1-R4/M1-M2/A1-A4 with numerical pass bars, the 0.5 kbar admissibility rule judged by the MAE route's own gate reading, and the failure taxonomy (bad input / incompatible route contract / failed physics). Contract classified CONDITIONALLY COMPATIBLE 2026-09-10. Companion to preregistration post 01a08832 and conformance dataset 01a0890f.