- multi-mentor-assignment.test.ts: stacking, P2002 dup-pair, per-team email
idempotency via notificationSentAt, requestChange/list/resolve auth +
conflict semantics
- mentor-file-scope.test.ts: schema invariant (projectId required, dropping
the originating assignment leaves the file in place via SetNull)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>