feat: 关于本站对齐站点公告，增加全部与管理入口

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

frontend/app/page.tsx

@@ -114,6 +114,7 @@ export default async function HomePage({ searchParams }: HomePageProps) {
   const user = me.user;
   const boards = overview?.boards ?? [];
   const canManageAnnouncements = !!user && isAdminOrAbove(user.role);
+  const canManagePages = canManageAnnouncements;
   const sidebarPages = overview?.sidebar_pages ?? [];
   const activeBoard = boards.find((b) => b.id === boardId) || boardSidebar?.board || null;
   const showBoardPanels = boardId > 0 && !isSearch;
@@ -251,6 +252,7 @@ export default async function HomePage({ searchParams }: HomePageProps) {
               checkin={overview.checkin ?? undefined}
               allowComments={allowComments}
               canManageAnnouncements={canManageAnnouncements}
+              canManagePages={canManagePages}
               sidebarPages={sidebarPages}
               siteDescription={publicSettings.site_description}
             />
@@ -285,6 +287,7 @@ export default async function HomePage({ searchParams }: HomePageProps) {
               checkin={overview.checkin ?? undefined}
               allowComments={allowComments}
               canManageAnnouncements={canManageAnnouncements}
+              canManagePages={canManagePages}
               sidebarPages={sidebarPages}
               siteDescription={publicSettings.site_description}
             />