3c722d0987
- Storage: VerifyIntegrity, GetAllIDs, GetVerifyStatus + DB-Spalten
- main: Hintergrund-Worker alle 5 Minuten (beim Start sofort: 40/40 OK)
- API: verify_ok + verified_at in GET /api/mails/{id} Antwort
- Frontend: Grüner Haken / graues X / rotes X in Mail-Ansicht
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>