React load first, mui then

exam/react/vite.config.ts

@@ -13,12 +13,15 @@ export default defineConfig({
       output: {
         manualChunks: (id) => {
           if (id.includes('node_modules')) {
-            if (id.includes('@mui/') || id.includes('react')) {
-              return 'vendor_base';
+            if (id.includes('@mui/') || id.includes('@emotion')) {
+              return 'vendor_mui';
             }
             if (id.includes('@tanstack')) {
               return 'vendor_tanstack';
             }
+            if (id.includes('react')) {
+              return 'vendor_1_react';
+            }
 
             return 'vendor'; // all other package goes here
           }