refact: removed polyfill and react-shim wrappers

Author: AlexVOiceover

src/lib/react-shim.ts

@@ -1,6 +1,3 @@
-// Import the polyfill first, before any other imports
-import './lib/react-shim';
-
 import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';
 import './index.css';

src/lib/utils/react-polyfill.ts

@@ -2,8 +2,6 @@ import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 import path from 'path';
 
-// Polyfill plugin removed as we no longer use Radix UI
-
 export default defineConfig({
   base: '/',
   plugins: [react()],
@@ -24,22 +22,26 @@ export default defineConfig({
           // More granular chunking for node_modules
           if (id.includes('node_modules')) {
             // Split React and related packages into a separate chunk
-            if (id.includes('react') || 
-                id.includes('scheduler') || 
-                id.includes('prop-types')) {
+            if (
+              id.includes('react') ||
+              id.includes('scheduler') ||
+              id.includes('prop-types')
+            ) {
               return 'vendor-react';
             }
-            
+
             // UI libraries
-            if (id.includes('class-variance-authority') || 
-                id.includes('lucide')) {
+            if (
+              id.includes('class-variance-authority') ||
+              id.includes('lucide')
+            ) {
               return 'vendor-ui';
             }
-            
+
             // All other third-party dependencies
             return 'vendor-other';
           }
-          
+
           // Group all auth-related code together
           if (id.includes('/src/api/') || id.includes('/src/context/Auth')) {
             return 'auth';