feat(canvas): 画布能力 - 完善 LibTV 导入与资源预览

web/src/types/canvas.ts

@@ -142,7 +142,18 @@ export type CanvasSkillSnapshot = {
 };
 
 export type CanvasNodeMetadata = {
+    importSource?: {
+        provider: "libtv";
+        projectUuid: string;
+        nodeKey: string;
+        batchId: string;
+        sourceType?: string;
+        styleAssetUuid?: string;
+        styleVersionUuid?: string;
+        styleName?: string;
+    };
     content?: string;
+    previewContent?: string;
     richText?: Record<string, unknown>;
     composerContent?: string;
     prompt?: string;