fix:bug

frontend/next.config.mjs

@@ -0,0 +1,10 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+  // Proxy API to FastAPI in dev if needed (optional; frontend can call API_BASE directly)
+  async rewrites() {
+    return [];
+  },
+};
+
+export default nextConfig;