- newTestApp now sets cfg.Runtime.Env='test', which allows memory mode
- Ready endpoint test now goes through the full router (not direct handler)
- All integration health tests pass; full suite 23/23 PASS
- Doc updates: P0 execution board (evidence + TL-P0-1/TL-P0-2 status), QA gate (TL-P0-1/TL-P0-2 completed), production checklist (Gate B requirements)