revert : restore original nuxt.config.ts

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

frontend/nuxt.config.ts

@@ -17,30 +17,10 @@ export default defineNuxtConfig({
     ],
     runtimeConfig: {
         public: {
-            apiBase: process.env.NUXT_PUBLIC_API_BASE || '/api'
+            apiBase: process.env.NUXT_PUBLIC_API_BASE
         }
     },
-    devServer: {
+    devServer: {port: 3002},
-        port: 3002,
-    },
-    nitro: {
-        devProxy: {
-            '/api': {
-                target: 'http://nginx',
-                changeOrigin: true,
-            },
-        },
-    },
-    vite: {
-        server: {
-            proxy: {
-                '/api': {
-                    target: 'http://nginx',
-                    changeOrigin: true,
-                },
-            },
-        },
-    },
     toast: {
         settings: {
             timeout: 2000,