small fix, don't worry about it

app/frontend/vite.config.ts

@@ -0,0 +1,64 @@
+/// <reference types="vitest" />
+import { defineConfig } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+import path from 'path'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    globals: true,
+    environment: 'happy-dom',
+    setupFiles: ['./src/test/setup.ts'],
+    include: ['src/**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      include: ['src/lib/**/*.ts'],
+    },
+  },
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+  build: {
+    // Enable code splitting and optimization
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          // Split vendor libraries
+          vendor: ['react', 'react-dom', '@tanstack/react-query'],
+          ui: ['@radix-ui/react-dialog', '@radix-ui/react-dropdown-menu', 'lucide-react'],
+          utils: ['date-fns', 'clsx', 'tailwind-merge']
+        },
+        // Optimize chunk naming for better caching
+        chunkFileNames: 'assets/js/[name]-[hash].js',
+        entryFileNames: 'assets/js/[name]-[hash].js',
+        assetFileNames: 'assets/[ext]/[name]-[hash].[ext]'
+      }
+    },
+    // Enable source maps for production debugging
+    sourcemap: true,
+    // Optimize bundle size
+    minify: 'terser',
+    // Set appropriate chunk size limit for better caching
+    chunkSizeWarningLimit: 1000
+  },
+  // Optimize dependencies during build
+  optimizeDeps: {
+    include: ['react', 'react-dom', '@tanstack/react-query', 'date-fns']
+  },
+  // Development server optimization
+  server: {
+    fs: {
+      // Allow serving files from project root
+      allow: ['..']
+    }
+  },
+  // Preview server optimization
+  preview: {
+    port: 4173,
+    strictPort: true
+  }
+})