feat: upload and download bitstream from the component of project view

src/components/diagramManager.ts

@@ -1,3 +1,5 @@
+import type { JSX } from "vue/jsx-runtime";
+
 // 定义 diagram.json 的类型结构
 export interface DiagramData {
   version: number;
@@ -15,6 +17,7 @@ export interface DiagramPart {
   x: number;
   y: number;
   attrs: Record<string, any>;
+  capsPage?: JSX.Element;
   rotate: number;
   group: string;
   positionlock: boolean;