anders ed4d0b261f Real-time collaboration (Yjs + WebSocket) ...

- Go WebSocket hub: rooms per document, broadcast updates, persist state
- Yjs integration: connect/disconnect, sync document state
- Collab toggle button in toolbar (Solo/Live)
- When Live: edits broadcast to all connected users in real-time
- Yjs state persisted to SQLite (survives server restart)
- gorilla/websocket dependency added

2026-05-22 23:49:12 +02:00

..

hub.go

Real-time collaboration (Yjs + WebSocket)

2026-05-22 23:49:12 +02:00