支持录制中切换广角/主摄

lib/features/recording/platform/recording_platform.dart

@@ -207,12 +207,14 @@ class RecordingStopResult {
     required this.status,
     this.fileSaved = true,
     this.fileErrorMessage,
+    this.segmentOutputPaths = const [],
   });
 
   final String? outputPath;
   final RecordingStatus status;
   final bool fileSaved;
   final String? fileErrorMessage;
+  final List<String> segmentOutputPaths;
 
   factory RecordingStopResult.fromMap(Map<String, dynamic>? result) {
     return RecordingStopResult(
@@ -222,6 +224,11 @@ class RecordingStopResult {
       ),
       fileSaved: result?['fileSaved'] as bool? ?? true,
       fileErrorMessage: result?['fileErrorMessage'] as String?,
+      segmentOutputPaths:
+          (result?['segmentOutputPaths'] as List?)?.whereType<String>().toList(
+            growable: false,
+          ) ??
+          const [],
     );
   }
 }