Small fixes.

frontend/vite.config.ts

@@ -1,12 +1,12 @@
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
-import { TanStackRouterVite } from "@tanstack/router-vite-plugin";
+import { tanstackRouter } from "@tanstack/router-vite-plugin";
 import { VitePWA } from "vite-plugin-pwa";
 
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [
-    TanStackRouterVite(),
+    tanstackRouter(),
     react(),
     VitePWA({
       registerType: "autoUpdate",