优化和路径规划新适配

lib/core/di/injection.dart

@@ -1,4 +1,5 @@
 import 'package:dio/dio.dart';
+import 'package:flutter/widgets.dart';
 import 'package:get_it/get_it.dart';
 import 'package:go_router/go_router.dart';
 import 'package:maibu_satabot_v2/core/infrastructure/logging/sentry_logger_impl.dart';
@@ -90,6 +91,8 @@ import '../../features/v2/device_list/domain/usecases/get_drone_station_list_use
 import '../../features/v2/device_list/domain/usecases/get_video_stream_usecase.dart';
 import '../../features/v2/device_list/domain/usecases/get_uav_video_stream_usecase.dart';
 import '../../features/v2/device_list/domain/usecases/update_flight_task_status_usecase.dart';
+import '../../features/v2/device_list/domain/usecases/pause_flight_task_usecase.dart';
+import '../../features/v2/device_list/domain/usecases/return_home_usecase.dart';
 import '../../features/v2/device_list/presentation/bloc/drone_station_bloc.dart';
 import '../../features/v2/device_list/presentation/bloc/robot_list_bloc.dart';
 import '../../features/v2/device_list/presentation/bloc/device_realtime_bloc.dart';
@@ -192,7 +195,10 @@ Future<void> init() async {
   /// 1.3 Log工具Sentry
   sl.registerLazySingleton<ILoggerService>(() => SentryLoggerImpl());
 
-  /// 1.4 --- MQTT Data Sources ---
+  /// 1.4 --- Route Observer (路由监听器) ---
+  sl.registerLazySingleton<RouteObserver>(() => RouteObserver<ModalRoute<void>>());
+
+  /// 1.5 --- MQTT Data Sources ---
   sl.registerFactory<DroneOsdDataSource>(
     () =>
         DroneOsdDataSourceImpl(sl<MqttClient>(instanceName: 'droneOsdClient')),
@@ -358,6 +364,12 @@ Future<void> init() async {
   sl.registerLazySingleton<UpdateFlightTaskStatusUseCase>(
     () => UpdateFlightTaskStatusUseCase(sl()),
   );
+  sl.registerLazySingleton<PauseFlightTaskUseCase>(
+    () => PauseFlightTaskUseCase(sl()),
+  );
+  sl.registerLazySingleton<ReturnHomeUseCase>(
+    () => ReturnHomeUseCase(sl()),
+  );
   sl.registerFactory<DroneStationBloc>(
     () => DroneStationBloc(sl(), sl(), sl(), sl()),
   );