feat(canvas): 视频画面提取 - 支持批量取帧并将片段截取与生成解耦

web/src/pages/canvas/canvas-project-selection-toolbar.tsx

@@ -38,7 +38,7 @@ export function CanvasProjectSelectionToolbar({ anchorRef, containerRef, count,
         isProjectLinked: false,
         canUndo: false,
         canRedo: false,
-        extractingVideoFrame: false,
+        extractingVideoFrames: false,
         extractingAudio: false,
         trimmingVideo: false,
         mergingVideos,