- Redesign useSpecialKeys hook with modifier state tracking
- Add one-shot activation for Ctrl and Alt keys
- Visual feedback: active modifiers shown with yellow highlight
- Fix focusInput to use term.focus() instead of hidden input
- Always refocus terminal after sending any special key
- Add requestAnimationFrame for reliable focus restoration
- Use onPointerDown with preventDefault() instead of onClick
- Add onKeepFocus callback to SpecialKeysStrip and SpecialKeysPanel
- Expose focusInput via onTerminalReady in TerminalComponent
- MobileTerminalWrapper passes focus callback to keep keyboard open
- Remove status from TerminalComponent useEffect dependencies to prevent recreation on WebSocket status changes
- Use ref for onTerminalReady callback to avoid parent re-renders triggering terminal recreation
- Wrap MobileTerminalWrapper onTerminalReady with useCallback for stable reference