initial setup

client/vite.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig, loadEnv } from 'vite';
+import react from '@vitejs/plugin-react';
+import path from 'node:path';
+
+export default defineConfig(({ mode }) => {
+  const rootDir = path.resolve(__dirname, '..');
+  const env = loadEnv(mode, rootDir, '');
+  const clientPort = Number(env.CLIENT_PORT) || 5173;
+  const proxyTarget = env.API_PROXY_TARGET || 'http://localhost:3000';
+
+  return {
+    plugins: [react()],
+    server: {
+      port: clientPort,
+      proxy: {
+        '/api': proxyTarget
+      }
+    }
+  };
+});