新增内容引擎文章发布接口与详情页

frontend/src/lib/articles.ts

@@ -0,0 +1,31 @@
+import type { PublicArticle } from '@/types';
+
+const API_URL = process.env.API_URL || 'http://localhost:24731';
+
+export async function getPublishedArticles(): Promise<PublicArticle[]> {
+  try {
+    const response = await fetch(`${API_URL}/api/public/articles?pageSize=100`, {
+      next: { revalidate: 60 },
+    });
+    if (!response.ok) return [];
+    const data = await response.json();
+    return data.list || [];
+  } catch {
+    return [];
+  }
+}
+
+export async function getPublishedArticle(identifier: string): Promise<PublicArticle | null> {
+  try {
+    const response = await fetch(`${API_URL}/api/public/articles/${encodeURIComponent(identifier)}`, {
+      next: { revalidate: 60 },
+    });
+    if (!response.ok) return null;
+    return response.json();
+  } catch {
+    return null;
+  }
+}
+
+export const articleUrl = (article: Pick<PublicArticle, 'content_id' | 'slug'>) =>
+  `/knowledge/${article.slug || article.content_id}`;