WASM fix (critical):
- encrypt_key_exchange_with_id was calling x3dh::initiate a second time,
generating a new ephemeral key that didn't match the ratchet — receiver
always failed to decrypt. Now stores X3DH result from initiate() and
reuses it. Added 2 protocol tests confirming the fix + the bug.
- Bumped service worker cache to wz-v2 to force browsers to re-fetch.
- Disabled wasm-opt for Hetzner builds (libc compat issue).
Federation — alias support:
- resolve_alias falls back to federation peer if not found locally
- register_alias checks peer server before allowing — globally unique aliases
- Added resolve_remote_alias() and is_alias_taken_remote() to FederationHandle
Federation — key proxy fix:
- Remote bundles no longer cached locally (stale cache caused decrypt failures)
- Local vs remote determined by device: prefix in keys DB
Client fixes:
- Self-messaging blocked ("Cannot send messages to yourself")
- /peer <self> blocked
- last_dm_peer never set to self
- /r <message> sends reply inline (switches peer + sends in one command)
Deploy tooling:
- scripts/build-linux.sh with --ship (build + deploy + destroy)
- --update-all, --status, --logs commands
- WASM rebuilt on Hetzner VM before server binary
- deploy/ directory: systemd service, federation configs, setup script
- Journald log cap (50MB, 7-day retention)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Server-to-server communication via WebSocket at /v1/federation/ws
- Auth as first WS frame (shared secret), presence + forwards over same connection
- Auto-reconnect every 3s on disconnect, instant presence push on connect
- Replaces HTTP REST polling (no more 5s intervals, lower latency)
- Removed dead HMAC helpers (auth is now direct secret comparison over WS)
- Simplified ARCHITECTURE.md mermaid diagrams for Gitea rendering
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>