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 [],
     );
   }
 }

lib/features/recording/view-model/view_model_recording.dart

@@ -364,9 +364,10 @@ class RecordingViewModel extends Notifier<RecordingModel> {
         ),
       );
     } on PlatformException catch (error) {
-      _updateSession(
-        (s) => s.copyWith(errorMessage: error.message ?? '相机倍距设置失败'),
-      );
+      final message = error.code == 'ZOOM_FAILED'
+          ? '切换镜头失败，请重试'
+          : (error.message ?? '相机倍距设置失败');
+      _updateSession((s) => s.copyWith(errorMessage: message));
     }
   }
 

lib/features/recording/widgets/widget_record_header.dart

@@ -170,7 +170,7 @@ class _HeaderPasteActions extends StatelessWidget {
     return Row(
       mainAxisAlignment: MainAxisAlignment.end,
       children: [
-        // _HeaderActionButton(label: 'mock', onPressed: onMockCopy),
+        _HeaderActionButton(label: 'mock', onPressed: onMockCopy),
         _HeaderActionButton(
           label: '粘贴选手信息',
           onPressed: () => onPasteEventInfo(),

lib/features/recording/widgets/widget_recording_hud.dart

@@ -145,7 +145,6 @@ class RecordingHudWidget extends StatelessWidget {
           right: 16.r,
           bottom: _recordButtonBottom + _recordButtonSize + 14.h,
           child: _ZoomPresetControl(
-            isRecording: isRecording,
             zoomRatio: zoomRatio,
             minZoomRatio: minZoomRatio,
             maxZoomRatio: maxZoomRatio,
@@ -192,16 +191,12 @@ class RecordingHudWidget extends StatelessWidget {
   }
 
   List<double> _zoomPresetsForRange(double minZoomRatio) {
-    return [
-      if (minZoomRatio < 1.0) minZoomRatio,
-      1.0,
-    ];
+    return [if (minZoomRatio < 1.0) minZoomRatio, 1.0];
   }
 }
 
 class _ZoomPresetControl extends StatelessWidget {
   const _ZoomPresetControl({
-    required this.isRecording,
     required this.zoomRatio,
     required this.minZoomRatio,
     required this.maxZoomRatio,
@@ -209,7 +204,6 @@ class _ZoomPresetControl extends StatelessWidget {
     required this.onSelected,
   });
 
-  final bool isRecording;
   final double zoomRatio;
   final double minZoomRatio;
   final double maxZoomRatio;
@@ -241,7 +235,7 @@ class _ZoomPresetControl extends StatelessWidget {
                 displayRatio: preset,
                 requestRatio: preset,
                 selected: _isPresetSelected(preset),
-                enabled: !_wouldSwitchPhysicalCamera(preset),
+                enabled: true,
                 onSelected: onSelected,
               ),
           ],
@@ -263,15 +257,6 @@ class _ZoomPresetControl extends StatelessWidget {
     }
     return (zoomRatio - preset).abs() < 0.05;
   }
-
-  bool _wouldSwitchPhysicalCamera(double preset) {
-    if (!isRecording) {
-      return false;
-    }
-    final currentIsUltraWide = zoomRatio < 1.0;
-    final targetIsUltraWide = preset < 1.0;
-    return currentIsUltraWide != targetIsUltraWide;
-  }
 }
 
 class _ZoomPresetButton extends StatelessWidget {
@@ -294,7 +279,17 @@ class _ZoomPresetButton extends StatelessWidget {
     return Padding(
       padding: EdgeInsets.symmetric(horizontal: 1.r),
       child: TextButton(
-        onPressed: selected || !enabled ? null : () => onSelected(requestRatio),
+        onPressed: selected || !enabled
+            ? null
+            : () => RateLimit.instance.debounce<void>(
+                key:
+                    'recording.session.zoom.${requestRatio.toStringAsFixed(1)}',
+                value: null,
+                duration: Duration(milliseconds: 300),
+                onCallback: (_) async {
+                  onSelected(requestRatio);
+                },
+              ),
         style: TextButton.styleFrom(
           minimumSize: Size(38.r, 32.r),
           padding: EdgeInsets.zero,