add webui

webui/vite.config.ts

@@ -1,16 +1,24 @@
-import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+import {defineConfig, loadEnv} from 'vite';
 
-export default defineConfig({
-  base: '/webui/',
-  plugins: [react()],
-  server: {
-    port: 5173,
-    proxy: {
-      '/webui/api': {
-        target: 'http://127.0.0.1:18790',
-        changeOrigin: true,
+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, '.'),
       },
     },
-  },
-})
+    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',
+    },
+  };
+});