fix(vscode): add project adds the chosen folder to the workspace

packages/ui/src/lib/api/types.ts

@@ -772,6 +772,8 @@ export interface VSCodeAPI {
   pickFiles?(options?: { extensions?: string[] }): Promise<unknown>;
   saveImage?(payload: unknown): Promise<unknown>;
   saveMarkdown?(payload: unknown): Promise<unknown>;
+  /** Add a directory as a VS Code workspace folder; resolves with the full folder list after the add. */
+  addWorkspaceFolder?(path: string): Promise<Array<{ name: string; path: string }>>;
 }
 
 export interface PushSubscribePayload {