Cleaning the codebase

vite.config.ts

@@ -4,4 +4,41 @@ import react from '@vitejs/plugin-react'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  build: {
+    // Generate source maps for production debugging
+    sourcemap: false,
+    // Optimize chunk size threshold
+    chunkSizeWarningLimit: 1000,
+    // Enable minification (use default for rolldown)
+    minify: true,
+    // Rollup options for advanced bundling
+    rollupOptions: {
+      output: {
+        // Manual chunk splitting for better caching
+        manualChunks: (id) => {
+          if (id.includes('react') || id.includes('react-dom')) {
+            return 'react'
+          }
+          if (id.includes('nanostores')) {
+            return 'stores'
+          }
+          if (id.includes('jszip') || id.includes('geopattern')) {
+            return 'vendor'
+          }
+        },
+        // Optimize chunk file names
+        chunkFileNames: 'assets/[name]-[hash].js',
+        entryFileNames: 'assets/[name]-[hash].js',
+        assetFileNames: 'assets/[name]-[hash].[ext]',
+      },
+    },
+    // Target modern browsers for better optimization
+    target: 'esnext',
+    // Enable CSS code splitting
+    cssCodeSplit: true,
+  },
+  // Optimize dependency pre-bundling
+  optimizeDeps: {
+    include: ['react', 'react-dom', 'nanostores', '@nanostores/react'],
+  },
 })