- Removed #60 OAuth2/OIDC from backlog - Enriched with plain-language explanations + importance rationale: - #64 MFA (TOTP + WebAuthn + recovery codes) - #62 Collaboration temps réel (WebSocket + Yjs/CRDT + awareness) - #67 Notifications Push API (VAPID + service worker) - #68 Health check enrichi (memory, disk, backups, connections) - #70 Recherche sémantique (embeddings + FAISS + recherche hybride) - #71 Dashboard administrateur (widgets temps réel + users + audit) - #72 API publique OpenAPI 3.1 (Swagger UI + Redoc) - Updated effort summary: 18 items restants, 52-68 jours