fix(canvas): 视频参考音频 - 补齐文件大小类型以恢复前端构建

web/src/components/canvas/canvas-node-generation.ts

@@ -467,6 +467,7 @@ function readReferenceAudio(node: CanvasNodeData): ReferenceAudio | null {
         type: node.metadata.mimeType || "audio/mpeg",
         url: node.metadata.content,
         storageKey: node.metadata.storageKey,
+        bytes: node.metadata.bytes,
         durationMs: node.metadata.durationMs,
     };
 }

web/src/types/media.ts

@@ -16,5 +16,6 @@ export type ReferenceAudio = {
     type: string;
     url: string;
     storageKey?: string;
+    bytes?: number;
     durationMs?: number;
 };