Updated frameworks.

frontend/vite.config.ts

@@ -2,17 +2,11 @@ import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 import path from 'path';
 
-const ReactCompilerConfig = {
-  compilationMode: 'infer'
-};
-
 export default defineConfig({
   plugins: [
     react({
       babel: {
-        plugins: [
-          ['babel-plugin-react-compiler', ReactCompilerConfig],
-        ],
+        plugins: ['@emotion/babel-plugin'],
       },
     }),
   ],
@@ -38,10 +32,9 @@ export default defineConfig({
           'react-vendor': ['react', 'react-dom'],
           'react-router': ['react-router-dom'],
           
-          // UI library
-          'mui-core': ['@mui/material', '@mui/system'],
+          // UI library (emotion bundled with mui-core to prevent runtime errors)
+          'mui-core': ['@mui/material', '@mui/system', '@emotion/react', '@emotion/styled'],
           'mui-icons': ['@mui/icons-material'],
-          'emotion': ['@emotion/react', '@emotion/styled'],
           
           // Authentication
           'auth': ['@auth0/auth0-react'],