feat: add automatic identity synchronization (#167)

app/[locale]/page.tsx

@@ -39,6 +39,7 @@ import { NavigationRail } from "@/components/layout/navigation-rail";
 import { SidebarAppsModal } from "@/components/layout/sidebar-apps-modal";
 import { InlineAppView } from "@/components/layout/inline-app-view";
 import { useSidebarApps } from "@/hooks/use-sidebar-apps";
+import { useIdentitySync } from "@/hooks/use-identity-sync";
 import { Input } from "@/components/ui/input";
 import { FilePreviewModal } from "@/components/files/file-preview-modal";
 import { isFilePreviewable } from "@/lib/file-preview";
@@ -77,6 +78,7 @@ export default function Home() {
   const markAsReadTimeoutRef = useRef<NodeJS.Timeout | null>(null);
   const { isAuthenticated, client, logout, checkAuth, isLoading: authLoading, connectionLost, isRateLimited, rateLimitUntil } = useAuthStore();
   const { identities } = useIdentityStore();
+  useIdentitySync();
 
   useEffect(() => {
     if (!isRateLimited || !rateLimitUntil) {