feat: update dependencies and add new features

- Update package.json dependencies (@tanstack/react-query, @kevisual/*, etc.)
- Add openLink utility function in basename.ts
- Add stackQueryClient for React Query in query.ts
- Refactor auth store with serverData and query hooks
- Add demo route and auth hooks
- Add VitePWA plugin and env config
- Update AGENTS.md documentation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/routes/demo.tsx

@@ -0,0 +1,9 @@
+import { createFileRoute } from '@tanstack/react-router'
+import App from '@/pages/demo/page'
+export const Route = createFileRoute('/demo')({
+  component: RouteComponent,
+})
+
+function RouteComponent() {
+  return <App />
+}