feat: implement task management store with IPC integration

- Added a new task store in `src-react/stores/task.ts` to manage tasks and their statuses.
- Implemented functions for creating, executing, and retrying tasks, along with handling task progress and completion.
- Introduced persistence for tasks using IPC.
- Created utility functions for normalizing room types and building subtasks.
- Added a new CSS file for global styles in `src-react/styles.css`.
- Created runtime types in `src-react/types/runtime.ts` and exported them.
- Updated the main entry points for Vue and React applications to support dynamic framework loading.
- Refactored chat model interfaces and utility functions into `src/shared/chat-model.ts`.
- Updated TypeScript configuration to include paths for React components and types.
- Enhanced Vite configuration to support both Vue and React frameworks.

src-react/main.tsx

@@ -0,0 +1,18 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+import './styles.css';
+
+export function mountReactApp(): void {
+  const container = document.getElementById('app');
+
+  if (!container) {
+    throw new Error('Missing #app container for React entry.');
+  }
+
+  ReactDOM.createRoot(container).render(
+    <React.StrictMode>
+      <App />
+    </React.StrictMode>,
+  );
+}