Initial commit of VIZ 3D project

vite.config.ts

@@ -0,0 +1,30 @@
+import tailwindcss from '@tailwindcss/vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+import {defineConfig, loadEnv} from 'vite';
+
+export default defineConfig(({mode}) => {
+  const env = loadEnv(mode, '.', '');
+  return {
+    plugins: [react(), tailwindcss()],
+    define: {
+      'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY),
+    },
+    resolve: {
+      alias: {
+        '@': path.resolve(__dirname, '.'),
+        'react': path.resolve(__dirname, 'node_modules/react'),
+        'react-dom': path.resolve(__dirname, 'node_modules/react-dom'),
+      },
+      dedupe: ['react', 'react-dom'],
+    },
+    optimizeDeps: {
+      include: ['react', 'react-dom', 'three', '@react-three/fiber', '@react-three/drei'],
+    },
+    server: {
+      // HMR is disabled in AI Studio via DISABLE_HMR env var.
+      // Do not modify—file watching is disabled to prevent flickering during agent edits.
+      hmr: process.env.DISABLE_HMR !== 'true',
+    },
+  };
+});