后台单页和公告改为正文优先编辑，保存与发布分开。

列表按列对照真实路径和状态，避免把 /p/ 前缀和发布操作混在一起。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/app/admin/announcements/[id]/edit/page.tsx

@@ -1,4 +1,5 @@
 import type { Metadata } from "next";
+import { Suspense } from "react";
 import { cookies } from "next/headers";
 import { authCookieHeader } from "@/lib/cookies";
 import { getMeCached } from "@/lib/serverData";
@@ -27,5 +28,9 @@ export default async function AdminAnnouncementEditPage({ params }: PageProps) {
     return <Forbidden text="无效的公告 ID。" />;
   }
 
-  return <AnnouncementEditLoader id={numId} />;
+  return (
+    <Suspense fallback={<p className="meta px-1 py-6">加载编辑器…</p>}>
+      <AnnouncementEditLoader id={numId} />
+    </Suspense>
+  );
 }