- hand-derived vectors from the plan's <polyline_vectors> block - external live-OSRM demo geometry (RESEARCH Finding 1) as ground truth - P7 pins the truncated-varint refusal law (T-05-02)
- fifth npm workspace @araharah/routing (buildless TS, search/ precedent) - root delegates routing:test / routing:typecheck / routing:corpus - C1-C6 RED: contract gates fail while src/types.ts + seed are absent