- Status indicators per tile (idle / working / waiting for permission)
- Auto-detect new/removed Claude instances without page reload
- Notification when a Claude instance needs attention (permission prompt, error)
- Drag to reorder/resize tiles
- Tile minimize/maximize
- Search/filter tiles by session or directory
- Keyboard shortcuts (Ctrl+1-9 to focus tiles, Ctrl+Tab to cycle)
- Sound/browser notification when a tile's Claude finishes a task
- Central capture hub — single goroutine for all pane captures
- Binary WebSocket messages instead of JSON (less overhead)
- Delta updates (status-only messages when content unchanged)
- Persist layout preferences in localStorage