nmemmertandClaude Sonnet 4.6
46f0a4b71e
- Replace libsodium with pure Web Crypto X25519 ECDH for key exchange - Sealed-box pattern: ephemeral keypair + HKDF + AES-256-GCM for each recipient - Store encrypted conversation key per-user so each party decrypts with their own private key - PBKDF2-derived master key wraps X25519 private key (pkcs8) server-side for cross-device login - Fix health endpoint ordering so it never hits auth middleware (401 bug) - Fix postgres port exposure in docker-compose for backend connectivity - Fix DrivePage react-query v5 onSuccess → useEffect migration - Fix MessagesPage: use <Link> instead of <a href> to avoid page reload losing in-memory keys - Fix formatDistanceToNow crash on WebSocket messages lacking sent_at (add fallback + null guard) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>