/// Bridge between NavigateScreen and ChatScreen's MQTT service.
/// ChatScreen sets the [navigateNotifierProvider] when MQTT is initialized.
/// NavigateScreen reads it to send key presses and screenshot requests.
class NavigateNotifier {
  final void Function(String key, String? sessionId) sendKey;
  final void Function(String? sessionId) requestScreenshot;

  NavigateNotifier({
    required this.sendKey,
    required this.requestScreenshot,
  });
}