feat: 实时消息与管理端运营能力

新增群聊/私信与公共 WebSocket 总线，站长用户内容档案，并将通知与待审角标改为推送驱动；同步精简管理仪表盘并修复主题换肤 DOM 冲突。

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

frontend/components/CommentSection.tsx

@@ -64,6 +64,7 @@ export default function CommentSection({
         setContent("");
         if (res.comment.status === "pending") {
           toast("已提交，等待审核通过后公开");
+          router.refresh();
         } else {
           // 新楼层在最后一页：刷新后由服务端直出最新分页
           router.refresh();
@@ -91,6 +92,7 @@ export default function CommentSection({
         setReplyContent("");
         if (res.comment.status === "pending") {
           toast("已提交，等待审核通过后公开");
+          router.refresh();
         } else {
           // 刷新后由 SSR 直出新树（子评论全量挂在本楼）
           router.refresh();
@@ -221,6 +223,7 @@ export default function CommentSection({
                     {c.user.nickname || c.user.username}
                   </span>
                 </Link>
+                {c.status === "pending" && <span className="badge-pending shrink-0 !text-[10px] !py-0.5 !px-1.5">待审</span>}
                 {isReplyToReply && parent && (
                   <>
                     <ChevronRight size={12} className="cmt-reply-arrow" aria-hidden="true" />
@@ -301,6 +304,7 @@ export default function CommentSection({
                   {c.user.nickname || c.user.username}
                 </span>
               </Link>
+              {c.status === "pending" && <span className="badge-pending shrink-0">待审</span>}
               {floor && (
                 <a href={`#comment-${c.id}`} className="cmt-floor-label" aria-label={`楼层 ${floor}`}>
                   #{floor}