feat(canvas): 新增视频节点字幕体系与多轨时间线编辑（关联 #187） (#191)

* fix(ci): 后端测试 - 修复 responses 流式测试数据与 Grok 生图测试 SSRF 放行

* feat(canvas): 新增视频节点字幕体系与多轨时间线编辑（关联 #187）

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Co-authored-by: zhaoyue <zhaoyue@rongshantech.com>

web/src/components/canvas/canvas-toolbar.tsx

@@ -139,7 +139,7 @@ export function CanvasToolbar({
         onNodeInfo: () => {}, onNodeDelete: () => {}, onNodeRetry: () => {}, onNodeEditText: () => {}, onNodeDecreaseFont: () => {}, onNodeIncreaseFont: () => {},
         onNodeToggleDialog: () => {}, onNodeAnnotate: () => {}, onNodeGenerateImage: () => {}, onNodeUpload: () => {}, onNodeDownload: () => {}, onNodeSaveAsset: () => {},
         onNodeMaskEdit: () => {}, onNodeEmotion: () => {}, onNodePortraitTexture: () => {}, onNodeCrop: () => {}, onNodeSplit: () => {}, onNodeUpscale: () => {},
-        onNodeSuperResolve: () => {}, onNodeAngle: () => {}, onNodeViewImage: () => {}, onNodeExtractVideoLastFrame: () => {}, onNodeReversePrompt: () => {},
+        onNodeSuperResolve: () => {}, onNodeAngle: () => {}, onNodeViewImage: () => {}, onNodeExtractVideoLastFrame: () => {}, onNodeSubtitles: () => {}, onNodeTimeline: () => {}, onNodeReversePrompt: () => {},
         onNodeToggleFreeResize: () => {}, onNodeToggleLocked: () => {}, onNodeCopyPrompt: () => {},
     } as ToolbarHandlers;