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/components/layout/MainLayout.tsx

@@ -0,0 +1,23 @@
+import { Outlet } from 'react-router-dom';
+import Sidebar from './Sidebar';
+import TitleBar from './TitleBar';
+
+export default function MainLayout() {
+  const platform = (window as any).api?.platform ?? '';
+
+  return (
+    <div className="bg-white dark:!bg-[#0f0f10] h-screen flex flex-col">
+      <TitleBar />
+
+      <main
+        className="box-border w-full flex pt-2 pb-2 pl-2"
+        style={{ height: platform === 'linux' ? '100vh' : 'calc(100vh - 40px)' }}
+      >
+        <div className="flex-1 flex min-w-0 min-h-0">
+          <Outlet />
+        </div>
+        <Sidebar />
+      </main>
+    </div>
+  );
+}