feat: Phase 1-3 全部完成 — 沙盒增强、学情分析、学习路径

frontend/src/app/courses/[id]/page.tsx

@@ -0,0 +1,18 @@
+export async function generateStaticParams() {
+  try {
+    const base = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3000';
+    const res = await fetch(`${base}/api/v1/courses`);
+    const data = await res.json();
+    const items = data.items || [];
+    if (items.length === 0) return [{ id: '1' }];
+    return items.map((c: any) => ({ id: String(c.id) }));
+  } catch {
+    return [{ id: '1' }];
+  }
+}
+
+import CourseDetailClient from './client';
+
+export default function CourseDetailPage() {
+  return <CourseDetailClient />;
+}