Features added:
- Connection status indicator (green=connected, yellow=connecting, red=disconnected)
- Exponential backoff reconnection (1s → 2s → 4s → ... → 30s max)
- Typing indicators showing who is typing (up to 3 users, with overflow count)
- Message status (⋯ sending, ✓ sent, ✗ failed with retry option)
- Jump-to-bottom button with unread message count badge
- Smart scroll preservation (stays in place unless already at bottom)
- Optimistic UI for sent messages (appears immediately, updates with real status)
- Backend support for broadcasting typing events to other users
Joca
935446280f
