feat: Phase 1-3 全部完成 — 沙盒增强、学情分析、学习路径

frontend/next.config.js

@@ -0,0 +1,13 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  output: 'export',
+  images: { unoptimized: true },
+  typescript: { ignoreBuildErrors: true },
+  env: {
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || 'https://api.yuzhiran.com',
+    NEXT_PUBLIC_SITE_URL: 'https://yuzhiran.com',
+    NEXT_PUBLIC_SITE_NAME: '宇之然 AI',
+  },
+};
+
+module.exports = nextConfig;