feat(device): 完善远程操作指令并新增更多功能入口

lib/features/device/data/device_api.dart

@@ -100,18 +100,21 @@ class DeviceApi {
     }
   }
 
-  /// 向设备下发操作指令（重启/关机/截屏/刷新/定位等）。
+  /// 向设备下发操作指令（重启/关机/截屏/刷新/定位/拍照等）。
   ///
-  /// [op] 为后端操作标识，如 `reboot` / `shutdown` / `screenshot` / `refresh` / `locate`，
+  /// [op] 为后端操作标识，如 `reboot` / `shutdown` / `screenshot` / `refresh` / `locate` / `take_photo`，
   /// 对应接口路径 `/api/v1/client/sn/ops/{op}?sn=xxx`。
+  /// [extra] 为可选的附加 query 参数（如远程拍照时的 `camera`：`0` 后置 / `1` 前置）。
   /// 成功返回 null；失败返回后台错误提示。
-  Future<String?> sendDeviceOp(String sn, String op) async {
+  Future<String?> sendDeviceOp(String sn, String op, {Map<String, dynamic>? extra}) async {
     try {
+      final queryParameters = <String, dynamic>{'sn': sn};
+      if (extra != null) queryParameters.addAll(extra);
       final data = await DioClient.post(
         'v1/client/sn/ops/$op',
-        queryParameters: {'sn': sn},
+        queryParameters: queryParameters,
       );
-      debugPrint('[DeviceApi] sendDeviceOp op=$op sn=$sn data=$data');
+      debugPrint('[DeviceApi] sendDeviceOp op=$op sn=$sn extra=$extra data=$data');
       return null;
     } on ApiException catch (e) {
       debugPrint('[DeviceApi] sendDeviceOp op=$op sn=$sn failed: ${e.message}');

lib/features/device/data/device_repository_impl.dart

@@ -33,8 +33,8 @@ class DeviceRepositoryImpl implements DeviceRepository {
       _api.getRecentScreenshots(sn: sn);
 
   @override
-  Future<String?> sendDeviceOp(String sn, String op) =>
-      _api.sendDeviceOp(sn, op);
+  Future<String?> sendDeviceOp(String sn, String op, {Map<String, dynamic>? extra}) =>
+      _api.sendDeviceOp(sn, op, extra: extra);
 
   @override
   Future<String?> sendAppOp(String sn, String op, String packageName) =>