feat(canvas): support multimodal video storyboard tables

web/src/types/canvas.ts

@@ -120,7 +120,11 @@ export type StoryboardRow = {
     motion: string;
     timeBeats: string;
     imageGenerationPrompt: string;
-    videoMotionPrompt: string;
+    videoMotionPrompt: string;
+    /** 原视频拆解时的时间范围，用于自动抽取关键帧。 */
+    sourceStartMs?: number;
+    sourceEndMs?: number;
+    keyframeTimeMs?: number;
     imagePromptTemplateVariables?: Record<string, string>;
     videoPromptTemplateVariables?: Record<string, string>;
     mustHave: string[];
@@ -175,15 +179,21 @@ export type CanvasBatchRow = {
     /** AI-generated cell content keyed by column id (for aiGenerated tables). */
     cells?: Record<string, string>;
 };
-export type CanvasBatchColumnType = "image" | "text";
+export type CanvasBatchColumnType = "image" | "text";
+export type CanvasBatchTableContentKind = "content" | "storyboard";
 export type CanvasBatchReferenceColumn = {
     id: string;
     label: string;
     type?: CanvasBatchColumnType;
 };
-export type CanvasBatchTableData = {
-    operation: CanvasBatchOperation;
-    concurrency: number;
+export type CanvasBatchTableData = {
+    operation: CanvasBatchOperation;
+    concurrency: number;
+    /** AI 输出的业务结构；分镜表会保留标准 StoryboardRow，避免依赖列名猜测。 */
+    contentKind?: CanvasBatchTableContentKind;
+    storyboardRows?: StoryboardRow[];
+    storyboardTitle?: string;
+    storyboardSourceNodeIds?: string[];
     /** Optional prompt override applied to every batch row while non-empty. */
     globalPrompt?: string;
     referenceColumns?: CanvasBatchReferenceColumn[];