failed_plane· code· HTTP 412· scope bothauthority-commit plane invariant failed: the registered reducer projection for a Event targeted a data-plane typed current result, or a Event targeted a control-plane typed current result. Terminal failure state; the write MUST NOT be bypassed as cas_conflict. See zh/authz/event-auth-state-resolution.md §13 and zh/sync/service-http-binding.md (write outcomes).