update logic and refactor code

frontend/nuxt.config.ts

@@ -1,13 +1,23 @@
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
+  app: {
+    baseURL: '/app/'  // This replaces router.base from Nuxt 2
+  },
+  ssr: true,
   compatibilityDate: '2025-05-15',
   devtools: { enabled: true },
   runtimeConfig: {
     public: {
       siteUrl: process.env.SITE_URL,
       backendUrl: process.env.BACKEND_URL,
-      apiVersion: process.env.API_VERSION,
-      apiUrl: `${process.env.BACKEND_URL}/${process.env.API_VERSION}`
+      apiUrl: `${process.env.BACKEND_URL}/api`
+    }
+  },
+  nitro: {
+    prerender: {
+      crawlLinks: true,
+      routes: ['/', '/login'], // Add known routes
+      ignore: ['/*.php'],    // Or leave empty to catch with [...slug].vue
     }
   },
   css: [