feat: 优化首页帖子列表并新增右侧栏最新注册组件

首页列表精简 meta 与统计展示，板块色标前移并淡化；有回复时显示最后回复人。右侧栏新增最新注册（4 列头像网格），友链改为标签块并排换行。

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

frontend/src/api/client.ts

@@ -1,4 +1,4 @@
-import type { User, UserPublic, UserActivityStats, Board, PostItem, Comment, RecentComment, ForumStats, TagCount, AdminDashboard, AdminSettings, ForumLimits, ForumLimitsPublic, PostDetailResponse, PostRevision, CommentRevision, MailConfig, OIDCConfig, OAuthClient, OAuthClientInput, GiteaProject, GiteaSyncConfig, StorageConfig, MediaListResult, SiteBranding, RegisterConfig, PrivateMessage, MessageConversation, PostReport, ReportReason, ReportStatus, BadgeDef, PointLedger, CheckInStatus, LotteryStatus, SitePage, SitePageSummary, PollView, PostLotteryView, FriendLinkApply } from './types';
+import type { User, UserPublic, UserActivityStats, Board, PostItem, Comment, RecentComment, RecentUser, ForumStats, TagCount, AdminDashboard, AdminSettings, ForumLimits, ForumLimitsPublic, PostDetailResponse, PostRevision, CommentRevision, MailConfig, OIDCConfig, OAuthClient, OAuthClientInput, GiteaProject, GiteaSyncConfig, StorageConfig, MediaListResult, SiteBranding, RegisterConfig, PrivateMessage, MessageConversation, PostReport, ReportReason, ReportStatus, BadgeDef, PointLedger, CheckInStatus, LotteryStatus, SitePage, SitePageSummary, PollView, PostLotteryView, FriendLinkApply } from './types';
 
 const BASE = '';
 
@@ -52,6 +52,7 @@ export const api = {
     return request<{ comments: Comment[]; total: number }>(`/api/posts/${id}/comments${q}`);
   },
   recentComments: () => request<{ comments: RecentComment[] }>('/api/comments/recent'),
+  recentUsers: () => request<{ users: RecentUser[] }>('/api/users/recent'),
   favorites: () => request<{ favorites: unknown[]; total: number }>('/api/favorites'),
   createBoard: (body: { name: string; description: string; sort_order: number; icon?: string; color_index?: number }) =>
     request<{ board: Board }>('/api/admin/boards', { method: 'POST', body: JSON.stringify(body) }),

frontend/src/api/types.ts

@@ -106,6 +106,10 @@ export interface PostItem {
   view_count: number;
   comment_count: number;
   last_reply_at?: string;
+  /** 最后回复用户（登录用户）；与 last_reply_guest_nick 二选一 */
+  last_reply_user?: User;
+  /** 最后回复游客昵称 */
+  last_reply_guest_nick?: string;
   created_at: string;
   updated_at?: string;
   board?: Board;
@@ -187,7 +191,7 @@ export interface AdminDashboard {
   recent_posts: PostItem[];
 }
 
-export type AsideWidgetId = 'tag_cloud' | 'recent_comments' | 'friend_links';
+export type AsideWidgetId = 'tag_cloud' | 'recent_comments' | 'recent_users' | 'friend_links';
 
 export interface AsideWidget {
   id: AsideWidgetId;
@@ -197,6 +201,7 @@ export interface AsideWidget {
 export const DEFAULT_ASIDE_WIDGETS: AsideWidget[] = [
   { id: 'tag_cloud', enabled: false },
   { id: 'recent_comments', enabled: false },
+  { id: 'recent_users', enabled: false },
   { id: 'friend_links', enabled: true },
 ];
 
@@ -500,6 +505,14 @@ export interface RecentComment {
   created_at: string;
 }
 
+/** 右栏「最新注册」用户 */
+export interface RecentUser {
+  id: number;
+  nickname: string;
+  avatar: string;
+  created_at: string;
+}
+
 /** 站内私信 */
 export interface PrivateMessage {
   id: number;

frontend/src/components/PostListItem.tsx

@@ -1,45 +1,48 @@
 import { memo } from 'react';
 import { useNavigate } from 'react-router-dom';
-import { Eye, Image as ImageIcon, MessageCircle, ThumbsUp } from 'lucide-react';
+import { MessageCircle } from 'lucide-react';
+import BoardBadge from '@/components/BoardBadge';
 import FeaturedIcon from '@/components/FeaturedIcon';
 import UserLink from '@/components/UserLink';
 import type { PostItem } from '../api/types';
 import type { FeedSort } from './FeedSortBar';
 import { useForumLimits } from '../hooks/useForumLimits';
 import { formatTime } from '../utils/content';
-import { postPath } from '../utils/permalink';
+import { boardPath, postPath } from '../utils/permalink';
 import { toPostImageThumbSrc } from '../utils/postContent';
 import { excerptFromHTML, firstImageFromHTML } from '../utils/seoText';
-import { parseTags } from './TagInput';
 
 interface Props {
   post: PostItem;
   sort?: FeedSort;
+  /** 当前板块 id，>0 时隐藏行内板块色标（避免板块页重复） */
+  boardId?: number;
   onSelect: (id: number) => void;
 }
 
-function PostListItem({ post, sort = 'latest', onSelect }: Props) {
+function PostListItem({ post, sort = 'latest', boardId = 0, onSelect }: Props) {
   const nav = useNavigate();
   const { limits } = useForumLimits();
   const feedStyle = limits.feed_list_style ?? 'title';
   const showExcerpt = feedStyle === 'excerpt' || feedStyle === 'thumbnail';
   const showThumb = feedStyle === 'thumbnail';
+  const titleOnly = feedStyle === 'title';
 
   const initial = post.user?.nickname?.[0] || '?';
-  const timeLabel = sort === 'reply'
+  const timeLabel = sort === 'reply' && !post.last_reply_at
-    ? (post.last_reply_at
+    ? '暂无回复'
-      ? `${formatTime(post.last_reply_at)} 回复`
-      : '暂无回复')
     : formatTime(post.created_at);
+  const lastReplyName = post.last_reply_user?.nickname?.trim()
+    || post.last_reply_user?.username?.trim()
+    || post.last_reply_guest_nick?.trim()
+    || '';
+  const showLastReply = !!post.last_reply_at && (!!post.last_reply_user || !!lastReplyName);
   const commentCount = post.comment_count ?? 0;
-  const likeCount = post.like_count ?? 0;
-  const viewCount = post.view_count ?? 0;
   const href = postPath(post.id);
   const firstImage = firstImageFromHTML(post.content || '');
   const thumbSrc = showThumb && firstImage ? toPostImageThumbSrc(firstImage) : null;
   const excerpt = showExcerpt ? excerptFromHTML(post.content || '', 60) : '';
-  const showImageIcon = !!firstImage && !thumbSrc;
+  const showBoardBadge = !!post.board && boardId !== post.board.id;
-  const tagList = parseTags(post.tags || '').slice(0, 3);
 
   const openPost = () => onSelect(post.id);
   const onKeyDown = (e: React.KeyboardEvent) => {
@@ -108,57 +111,53 @@ function PostListItem({ post, sort = 'latest', onSelect }: Props) {
 
   const metaLeft = (
     <div className="post-meta-left">
-      <UserLink user={post.user} stopPropagation className="post-meta-author" showBadges={false} />
+      {showBoardBadge && post.board && (
-      <span className="post-meta-sep" aria-hidden>·</span>
-      <span className="post-meta-time">{timeLabel}</span>
-      {post.board && (
-        <>
-          <span className="post-meta-sep" aria-hidden>·</span>
-          <span className="post-meta-board">{post.board.name}</span>
-        </>
-      )}
-      {tagList.map(t => (
         <button
-          key={t}
           type="button"
-          className="post-list-tag"
+          className="post-list-board-btn"
-          title={`筛选标签：${t}`}
+          title={`进入板块：${post.board.name}`}
           onClick={(e) => {
             e.stopPropagation();
-            nav(`/?tag=${encodeURIComponent(t)}`);
+            nav(boardPath(post.board!.id, limits));
           }}
         >
-          #{t}
+          <BoardBadge board={post.board} className="post-list-board-badge" />
         </button>
-      ))}
+      )}
+      <UserLink user={post.user} stopPropagation className="post-meta-author" showBadges={false} />
+      <span className="post-meta-sep post-meta-sep--before-time" aria-hidden>·</span>
+      <span className="post-meta-time post-meta-time--created">{timeLabel}</span>
+      {showLastReply && (
+        <span className="post-meta-last-reply">
+          <span className="post-meta-last-reply-arrow" aria-hidden>←</span>
+          {post.last_reply_user ? (
+            <UserLink
+              user={post.last_reply_user}
+              stopPropagation
+              className="post-meta-last-reply-user"
+              showBadges={false}
+            />
+          ) : (
+            <span className="post-meta-last-reply-user">{lastReplyName}</span>
+          )}
+          <span className="post-meta-last-reply-time">{formatTime(post.last_reply_at!)}</span>
+        </span>
+      )}
     </div>
   );
 
   const stats = (
     <div className="post-stats">
-      {showImageIcon && (
-        <span className="post-stat post-stat--media" title="含图片">
-          <ImageIcon aria-hidden />
-        </span>
-      )}
       <span className={`post-stat${commentCount === 0 ? ' post-stat--zero' : ''}`} title="评论">
         <MessageCircle aria-hidden />
         {commentCount}
       </span>
-      <span className={`post-stat${likeCount === 0 ? ' post-stat--zero' : ''}`} title="点赞">
-        <ThumbsUp aria-hidden />
-        {likeCount}
-      </span>
-      <span className={`post-stat${viewCount === 0 ? ' post-stat--zero' : ''}`} title="浏览">
-        <Eye aria-hidden />
-        {viewCount}
-      </span>
     </div>
   );
 
   return (
     <div
-      className={`post-row post-row--v2${thumbSrc ? ' post-row--has-thumb' : ''}`}
+      className={`post-row post-row--v2${titleOnly ? ' post-row--title-only' : ''}${thumbSrc ? ' post-row--has-thumb' : ''}`}
       role="link"
       tabIndex={0}
       onClick={openPost}

frontend/src/components/PostListSkeleton.tsx

@@ -8,7 +8,7 @@ export function feedListRowEstimate(style: FeedListStyle): number {
   switch (style) {
     case 'excerpt': return 68;
     case 'thumbnail': return 72;
-    default: return 52;
+    default: return 64;
   }
 }
 
@@ -21,13 +21,17 @@ interface Props {
 export default function PostListSkeleton({ count = 8, listStyle = 'title' }: Props) {
   const showExcerpt = listStyle === 'excerpt' || listStyle === 'thumbnail';
   const showThumb = listStyle === 'thumbnail';
+  const titleOnly = listStyle === 'title';
 
   return (
     <div className="post-list-skeleton" aria-busy="true" aria-label="加载中">
       {Array.from({ length: count }, (_, i) => {
         const hasThumb = showThumb && i % 3 === 0;
         return (
-          <div key={i} className={`post-row post-row--v2 post-row--skeleton${hasThumb ? ' post-row--has-thumb' : ''}`}>
+          <div
+            key={i}
+            className={`post-row post-row--v2 post-row--skeleton${titleOnly ? ' post-row--title-only' : ''}${hasThumb ? ' post-row--has-thumb' : ''}`}
+          >
             <Skeleton className="skeleton--avatar skeleton--avatar-v2" />
             {hasThumb ? (
               <div className="post-main post-main--with-thumb">
@@ -36,14 +40,15 @@ export default function PostListSkeleton({ count = 8, listStyle = 'title' }: Pro
                   {showExcerpt && (
                     <Skeleton className="skeleton--excerpt skeleton--excerpt-v2" style={{ width: `${72 + (i % 3) * 8}%` }} />
                   )}
+                  <div className="post-meta-left post-meta-left--skeleton">
+                    <Skeleton className="skeleton--board-badge" />
                     <Skeleton className="skeleton--meta-line" style={{ width: `${45 + (i % 3) * 10}%` }} />
                   </div>
+                </div>
                 <div className="post-aside">
                   <Skeleton className="skeleton--thumb skeleton--thumb-tall" />
                   <div className="post-stats">
                     <Skeleton className="skeleton--stat" />
-                    <Skeleton className="skeleton--stat" />
-                    <Skeleton className="skeleton--stat" />
                   </div>
                 </div>
               </div>
@@ -56,11 +61,12 @@ export default function PostListSkeleton({ count = 8, listStyle = 'title' }: Pro
                   )}
                 </div>
                 <div className="post-meta">
+                  <div className="post-meta-left post-meta-left--skeleton">
+                    <Skeleton className="skeleton--board-badge" />
                     <Skeleton className="skeleton--meta-line" style={{ width: `${45 + (i % 3) * 10}%` }} />
+                  </div>
                   <div className="post-stats">
                     <Skeleton className="skeleton--stat" />
-                    <Skeleton className="skeleton--stat" />
-                    <Skeleton className="skeleton--stat" />
                   </div>
                 </div>
               </div>

frontend/src/components/RightPanel.tsx

@@ -1,9 +1,9 @@
 import { useMemo } from 'react';
-import { ListTree, MessageCircle, Tags, Link2 } from 'lucide-react';
+import { ListTree, MessageCircle, Tags, Link2, UserPlus } from 'lucide-react';
 import { useLocation, useSearchParams, useNavigate } from 'react-router-dom';
 import { Skeleton } from '@/components/ui/skeleton';
 import { Button } from '@/components/ui/button';
-import type { AsideWidget, RecentComment, TagCount, User, ForumStats, FriendLink } from '../api/types';
+import type { AsideWidget, RecentComment, RecentUser, TagCount, User, ForumStats, FriendLink } from '../api/types';
 import type { PostHeading } from '../utils/postHeadings';
 import { useSiteBranding } from '../hooks/useSiteBranding';
 import { formatShortDateTime, formatTime } from '../utils/content';
@@ -25,6 +25,7 @@ export type PostDetailAside = {
 
 interface Props {
   recentComments: RecentComment[];
+  recentUsers: RecentUser[];
   tags?: TagCount[];
   tagsLoading?: boolean;
   stats?: ForumStats | null;
@@ -53,8 +54,22 @@ function CommentSkeleton() {
   );
 }
 
+function UserSkeleton() {
+  return (
+    <div className="widget-recent-users-grid" aria-busy="true" aria-label="用户加载中">
+      {Array.from({ length: 8 }, (_, i) => (
+        <div key={i} className="widget-recent-user-cell widget-recent-user-cell--skeleton">
+          <Skeleton className="skeleton--recent-user-avatar" />
+          <Skeleton className="skeleton--recent-user-name" style={{ width: `${48 + (i % 3) * 10}%` }} />
+        </div>
+      ))}
+    </div>
+  );
+}
+
 export default function RightPanel({
   recentComments,
+  recentUsers,
   tags = [],
   tagsLoading = false,
   stats = null,
@@ -69,6 +84,7 @@ export default function RightPanel({
   const [params] = useSearchParams();
   const activeTag = params.get('tag') || '';
   const commentList = recentComments?.slice(0, 6) ?? [];
+  const userList = recentUsers?.slice(0, 8) ?? [];
   const friendLinks = (branding.friend_links ?? []).filter(
     (l: FriendLink) => l.name?.trim() && l.url?.trim(),
   );
@@ -118,7 +134,7 @@ export default function RightPanel({
                 申请
               </Button>
             </div>
-            <div className="widget-card-body">
+            <div className="widget-card-body widget-card-body--friend-links">
               {friendLinks.length === 0 ? (
                 <div className="widget-empty">暂无友情链接</div>
               ) : (
@@ -126,7 +142,9 @@ export default function RightPanel({
                   <ul className="widget-friend-links-list">
                     {friendLinks.slice(0, 8).map((link: FriendLink) => (
                       <li key={`${link.name}-${link.url}`}>
-                        <a href={link.url} target="_blank" rel="noopener noreferrer">{link.name}</a>
+                        <a href={link.url} target="_blank" rel="noopener noreferrer" title={link.name}>
+                          {link.name}
+                        </a>
                       </li>
                     ))}
                   </ul>
@@ -212,6 +230,41 @@ export default function RightPanel({
             </div>
           </div>
         );
+      case 'recent_users':
+        return (
+          <div key="recent_users" className="widget-card widget-card--users">
+            <div className="widget-card-head">
+              <UserPlus className="widget-card-icon widget-card-icon--users" aria-hidden />
+              最新注册
+            </div>
+            <div className="widget-card-body widget-card-body--users">
+              {loading && userList.length === 0 ? (
+                <UserSkeleton />
+              ) : userList.length === 0 ? (
+                <div className="widget-empty">暂无用户</div>
+              ) : (
+                <div className="widget-recent-users-grid">
+                  {userList.map(item => (
+                    <UserLink
+                      key={item.id}
+                      user={{ id: item.id, nickname: item.nickname, avatar: item.avatar }}
+                      className="widget-recent-user-cell"
+                      showBadges={false}
+                      title={item.nickname}
+                    >
+                      <span className="widget-recent-user-avatar" aria-hidden>
+                        {item.avatar
+                          ? <img src={item.avatar} alt="" loading="lazy" decoding="async" />
+                          : (item.nickname?.[0] || '?')}
+                      </span>
+                      <span className="widget-recent-user-name">{item.nickname}</span>
+                    </UserLink>
+                  ))}
+                </div>
+              )}
+            </div>
+          </div>
+        );
       default:
         return null;
     }

frontend/src/components/VirtualPostList.tsx

@@ -263,7 +263,7 @@ export default function VirtualPostList({
                     transform: `translateY(${offsetY}px)`,
                   }}
                 >
-                  <PostListItem post={post} sort={sort} onSelect={onSelect} />
+                  <PostListItem post={post} sort={sort} boardId={boardId} onSelect={onSelect} />
                 </div>
               );
             })}

frontend/src/components/admin/AsideWidgetList.tsx

@@ -10,6 +10,10 @@ const WIDGET_META: Record<AsideWidgetId, { label: string; hint: string }> = {
     label: '最新评论',
     hint: '在右侧栏展示最近回复',
   },
+  recent_users: {
+    label: '最新注册',
+    hint: '在右侧栏展示最近注册的用户',
+  },
   friend_links: {
     label: '友情链接',
     hint: '关闭后不在右侧栏展示，友链仍可在「友情链接」页面查看与申请',

frontend/src/layouts/MainLayout.tsx

@@ -14,9 +14,9 @@ import { useAuth } from '../hooks/useAuth';
 import { useTheme, useMediaQuery } from '../hooks/useTheme';
 import { useOverlayA11y, moveTabIndex } from '../hooks/useOverlayA11y';
 import { api } from '../api/client';
-import type { Board, RecentComment, ForumStats, TagCount, User } from '../api/types';
+import type { Board, RecentComment, RecentUser, ForumStats, TagCount, User } from '../api/types';
 import type { PostHeading } from '../utils/postHeadings';
-import { getCachedBoards, getCachedStats, getCachedRecentComments, getCachedTags, hasCachedAside, setCachedBoards, setCachedStats, setCachedRecentComments, setCachedTags } from '../utils/layoutCache';
+import { getCachedBoards, getCachedStats, getCachedRecentComments, getCachedRecentUsers, getCachedTags, hasCachedAside, setCachedBoards, setCachedStats, setCachedRecentComments, setCachedRecentUsers, setCachedTags } from '../utils/layoutCache';
 import Sidebar, { isNeutralSidebarRoute } from '../components/Sidebar';
 import RightPanel from '../components/RightPanel';
 import BackToTop from '../components/BackToTop';
@@ -49,6 +49,7 @@ export default function MainLayout() {
   const [boards, setBoards] = useState<Board[]>(() => getCachedBoards());
   const [stats, setStats] = useState<ForumStats | null>(() => getCachedStats());
   const [recentComments, setRecentComments] = useState<RecentComment[]>(() => getCachedRecentComments());
+  const [recentUsers, setRecentUsers] = useState<RecentUser[]>(() => getCachedRecentUsers());
   const [unreadMessages, setUnreadMessages] = useState(0);
   const [tags, setTags] = useState<TagCount[]>(() => getCachedTags());
   const [tagsLoading, setTagsLoading] = useState(() => getCachedTags().length === 0);
@@ -82,6 +83,7 @@ export default function MainLayout() {
   const asideWidgets = useMemo(() => resolveAsideWidgets(forumLimits), [forumLimits]);
   const showTagCloud = asideWidgets.some(w => w.id === 'tag_cloud' && w.enabled);
   const showRecentComments = asideWidgets.some(w => w.id === 'recent_comments' && w.enabled);
+  const showRecentUsers = asideWidgets.some(w => w.id === 'recent_users' && w.enabled);
 
   const asideDrawerRef = useRef<HTMLElement>(null);
   const asideCloseRef = useRef<HTMLButtonElement>(null);
@@ -241,6 +243,31 @@ export default function MainLayout() {
     };
   }, [needRecentComments]);
 
+  const needRecentUsers = needAsideData && showRecentUsers;
+  useEffect(() => {
+    if (!needRecentUsers) return;
+    let cancelled = false;
+    if (!asideEverLoaded.current && !hasCachedAside()) {
+      setAsideLoading(true);
+    }
+
+    api.recentUsers().then(d => {
+      if (cancelled) return;
+      const next = Array.isArray(d.users) ? d.users : [];
+      setRecentUsers(next);
+      setCachedRecentUsers(next);
+    }).catch(() => {}).finally(() => {
+      if (!cancelled) {
+        asideEverLoaded.current = true;
+        setAsideLoading(false);
+      }
+    });
+
+    return () => {
+      cancelled = true;
+    };
+  }, [needRecentUsers]);
+
   const doSearch = () => {
     const kw = keyword.trim();
     const author = searchAuthor.trim();
@@ -642,6 +669,7 @@ export default function MainLayout() {
         <aside className="aside-panel">
           <RightPanel
             recentComments={recentComments}
+            recentUsers={recentUsers}
             tags={tags}
             tagsLoading={tagsLoading}
             stats={stats}
@@ -757,6 +785,7 @@ export default function MainLayout() {
             <div className="aside-drawer-body">
               <RightPanel
                 recentComments={recentComments}
+                recentUsers={recentUsers}
                 tags={tags}
                 tagsLoading={tagsLoading}
                 stats={stats}

frontend/src/styles/global.css

@@ -2320,6 +2320,15 @@ body:has(.admin-topbar) .ptr-indicator {
   align-items: flex-start;
 }
 
+/* 仅标题模式：略增行距，避免帖子贴得过紧 */
+.post-row--v2.post-row--title-only {
+  padding: 12px 16px;
+}
+
+.post-row--v2.post-row--title-only .post-main {
+  gap: 4px;
+}
+
 .post-row--v2 .post-avatar {
   width: 36px;
   height: 36px;
@@ -2434,6 +2443,7 @@ body:has(.admin-topbar) .ptr-indicator {
 
 .post-row--v2 .post-title {
   font-size: 14px;
+  font-weight: 400;
   line-height: 1.35;
 }
 
@@ -2447,6 +2457,7 @@ body:has(.admin-topbar) .ptr-indicator {
   display: flex;
   align-items: center;
   justify-content: space-between;
+  flex-wrap: nowrap;
   gap: 8px;
   min-width: 0;
   font-size: 12px;
@@ -2456,10 +2467,11 @@ body:has(.admin-topbar) .ptr-indicator {
 .post-row--v2 .post-meta-left {
   display: flex;
   align-items: center;
-  flex-wrap: wrap;
+  flex-wrap: nowrap;
   gap: 0;
   min-width: 0;
   flex: 1;
+  overflow: hidden;
 }
 
 .post-row--v2 .post-meta-author {
@@ -2487,13 +2499,153 @@ body:has(.admin-topbar) .ptr-indicator {
   font-variant-numeric: tabular-nums;
 }
 
-.post-row--v2 .post-meta-board {
+.post-row--v2 .post-meta-last-reply {
+  display: inline-flex;
+  align-items: center;
+  flex-shrink: 1;
+  min-width: 0;
+  margin-left: 6px;
+  gap: 4px;
   color: var(--color-text-4);
+  overflow: hidden;
+}
+
+.post-row--v2 .post-meta-last-reply-arrow {
   flex-shrink: 0;
+  opacity: 0.75;
+}
+
+.post-row--v2 .post-meta-last-reply-user {
+  flex-shrink: 1;
+  min-width: 0;
   max-width: 5rem;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
+  color: var(--color-text-3);
+  font-weight: 400;
+}
+
+.post-row--v2 a.post-meta-last-reply-user:hover {
+  color: var(--j13-green);
+}
+
+.post-row--v2 .post-meta-last-reply-time {
+  flex-shrink: 0;
+  font-variant-numeric: tabular-nums;
+}
+
+/* 手机端 meta 精简：作者、回复人、一个时间（有回复则用回复时间） */
+@media (max-width: 768px) {
+  .post-row--v2 .post-list-board-btn {
+    display: none;
+  }
+
+  .post-row--v2 .post-meta-left:has(.post-meta-last-reply) .post-meta-sep--before-time,
+  .post-row--v2 .post-meta-left:has(.post-meta-last-reply) .post-meta-time--created {
+    display: none;
+  }
+
+  .post-row--v2 .post-meta-author {
+    max-width: 4.5rem;
+  }
+
+  .post-row--v2 .post-meta-last-reply-user {
+    max-width: 4.5rem;
+  }
+}
+
+/* 列表内板块色标（meta 行、用户名之前；颜色淡化） */
+.post-row--v2 .post-list-board-btn {
+  display: inline-flex;
+  align-items: center;
+  flex-shrink: 0;
+  max-width: 5rem;
+  padding: 0;
+  margin: 0 6px 0 0;
+  border: 0;
+  background: transparent;
+  cursor: pointer;
+  line-height: 0;
+}
+
+.post-row--v2 .post-list-board-badge {
+  display: inline-block;
+  max-width: 100%;
+  padding: 0 5px;
+  border-radius: 3px;
+  font-size: 11px;
+  font-weight: 400;
+  line-height: 1.45;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.post-row--v2 .post-list-board-badge.board-badge--0 {
+  color: color-mix(in srgb, var(--board-0-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-0-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--1 {
+  color: color-mix(in srgb, var(--board-1-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-1-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--2 {
+  color: color-mix(in srgb, var(--board-2-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-2-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--3 {
+  color: color-mix(in srgb, var(--board-3-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-3-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--4 {
+  color: color-mix(in srgb, var(--board-4-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-4-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--5 {
+  color: color-mix(in srgb, var(--board-5-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-5-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--6 {
+  color: color-mix(in srgb, var(--board-6-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-6-color) 9%, transparent);
+}
+.post-row--v2 .post-list-board-badge.board-badge--7 {
+  color: color-mix(in srgb, var(--board-7-color) 52%, var(--color-text-3, #64748b));
+  background: color-mix(in srgb, var(--board-7-color) 9%, transparent);
+}
+
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--0 {
+  color: color-mix(in srgb, var(--board-0-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-0-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--1 {
+  color: color-mix(in srgb, var(--board-1-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-1-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--2 {
+  color: color-mix(in srgb, var(--board-2-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-2-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--3 {
+  color: color-mix(in srgb, var(--board-3-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-3-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--4 {
+  color: color-mix(in srgb, var(--board-4-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-4-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--5 {
+  color: color-mix(in srgb, var(--board-5-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-5-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--6 {
+  color: color-mix(in srgb, var(--board-6-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-6-color) 14%, transparent);
+}
+.post-row--v2 .post-list-board-btn:hover .post-list-board-badge.board-badge--7 {
+  color: color-mix(in srgb, var(--board-7-color) 72%, var(--color-text-2, #475569));
+  background: color-mix(in srgb, var(--board-7-color) 14%, transparent);
 }
 
 .post-row--v2 .post-list-tag {
@@ -2504,6 +2656,7 @@ body:has(.admin-topbar) .ptr-indicator {
   color: var(--color-text-4);
   font-size: 12px;
   max-width: 5rem;
+  flex-shrink: 1;
 }
 
 .post-row--v2 .post-list-tag:hover {
@@ -3108,6 +3261,26 @@ a.post-title:visited {
   height: 14px;
 }
 
+.skeleton--board-badge {
+  width: 2.5rem;
+  height: 14px;
+  border-radius: 3px;
+  flex-shrink: 0;
+}
+
+.post-meta-left--skeleton {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+  flex: 1;
+}
+
+.post-meta-left--skeleton .skeleton--meta-line {
+  flex: 1;
+  max-width: none;
+}
+
 .skeleton--excerpt-v2 {
   height: 12px;
 }
@@ -6354,6 +6527,7 @@ a.waline-comment-author:hover {
 .widget-card-icon--hot { color: #e74c3c; }
 .widget-card-icon--notice { color: #3498db; }
 .widget-card-icon--links { color: #2d6a4f; }
+.widget-card-icon--users { color: #8b5cf6; }
 
 .widget-card-head--split {
   justify-content: space-between;
@@ -6399,22 +6573,51 @@ a.waline-comment-author:hover {
   text-decoration: underline;
 }
 
+.widget-card-body--friend-links {
+  padding-top: 8px;
+}
+
 .widget-friend-links-list {
   list-style: none;
   margin: 0;
   padding: 0;
-  display: grid;
+  display: flex;
+  flex-wrap: wrap;
   gap: 6px;
 }
 
+.widget-friend-links-list li {
+  max-width: 100%;
+}
+
 .widget-friend-links-list a {
-  color: var(--j13-link, var(--primary, #2d6a4f));
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  max-width: 100%;
+  min-height: 26px;
+  padding: 4px 8px;
+  border: 1px solid var(--j13-border-light);
+  border-radius: 4px;
+  background: var(--j13-bg-block-muted);
+  color: var(--color-text-2);
   text-decoration: none;
-  font-size: 13px;
+  font-size: 12px;
+  line-height: 1.3;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  transition:
+    border-color 0.15s ease,
+    background 0.15s ease,
+    color 0.15s ease;
 }
 
 .widget-friend-links-list a:hover {
-  text-decoration: underline;
+  border-color: color-mix(in srgb, var(--j13-green) 35%, var(--j13-border-light));
+  background: var(--j13-green-soft);
+  color: var(--j13-green);
+  text-decoration: none;
 }
 
 .friend-link-site-info {
@@ -7454,6 +7657,91 @@ a.user-link--avatar-only:focus-visible {
   outline: none;
 }
 
+/* 最新注册：4 列网格，头像在上、昵称在下 */
+.widget-card-body--users {
+  padding-top: 8px;
+}
+
+.widget-recent-users-grid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 10px 6px;
+}
+
+.widget-recent-user-cell {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 5px;
+  min-width: 0;
+  padding: 4px 2px;
+  border-radius: 6px;
+  text-decoration: none;
+  color: inherit;
+  transition: background 0.12s;
+}
+
+a.widget-recent-user-cell:hover,
+a.widget-recent-user-cell:focus-visible {
+  background: var(--j13-bg-block-accent);
+  text-decoration: none;
+  color: inherit;
+}
+
+.widget-recent-user-avatar {
+  width: 36px;
+  height: 36px;
+  border-radius: 50%;
+  background: var(--j13-green);
+  color: #fff;
+  font-size: 14px;
+  font-weight: 600;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+  flex-shrink: 0;
+}
+
+.widget-recent-user-avatar img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.widget-recent-user-name {
+  width: 100%;
+  font-size: 11px;
+  line-height: 1.3;
+  text-align: center;
+  color: var(--color-text-2);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+a.widget-recent-user-cell:hover .widget-recent-user-name,
+a.widget-recent-user-cell:focus-visible .widget-recent-user-name {
+  color: var(--j13-green);
+}
+
+.widget-recent-user-cell--skeleton {
+  pointer-events: none;
+}
+
+.skeleton--recent-user-avatar {
+  width: 36px;
+  height: 36px;
+  border-radius: 50%;
+  flex-shrink: 0;
+}
+
+.skeleton--recent-user-name {
+  height: 11px;
+  width: 70%;
+  border-radius: 4px;
+}
+
 a.widget-item-avatar.user-link {
   text-decoration: none;
 }

frontend/src/utils/asideWidgets.ts

@@ -1,7 +1,7 @@
 import type { AsideWidget, AsideWidgetId, ForumLimits, ForumLimitsPublic } from '../api/types';
 import { DEFAULT_ASIDE_WIDGETS } from '../api/types';
 
-const ASIDE_WIDGET_IDS: AsideWidgetId[] = ['tag_cloud', 'recent_comments', 'friend_links'];
+const ASIDE_WIDGET_IDS: AsideWidgetId[] = ['tag_cloud', 'recent_comments', 'recent_users', 'friend_links'];
 
 /** 从 limits 解析右侧栏组件列表（兼容仅有布尔开关的旧数据） */
 export function resolveAsideWidgets(

frontend/src/utils/layoutCache.ts

@@ -1,8 +1,9 @@
-import type { Board, ForumStats, RecentComment, TagCount } from '../api/types';
+import type { Board, ForumStats, RecentComment, RecentUser, TagCount } from '../api/types';
 
 const BOARDS_KEY = 'j13-cache-boards';
 const STATS_KEY = 'j13-cache-stats';
 const RECENT_COMMENTS_KEY = 'j13-cache-recent-comments';
+const RECENT_USERS_KEY = 'j13-cache-recent-users';
 const TAGS_KEY = 'j13-cache-tags';
 
 function readJson<T>(key: string): T | null {
@@ -38,6 +39,12 @@ export function getCachedRecentComments(): RecentComment[] {
   return Array.isArray(list) ? list : [];
 }
 
+/** 读取缓存的最新注册用户 */
+export function getCachedRecentUsers(): RecentUser[] {
+  const list = readJson<RecentUser[]>(RECENT_USERS_KEY);
+  return Array.isArray(list) ? list : [];
+}
+
 /** 读取缓存的标签云 */
 export function getCachedTags(): TagCount[] {
   const list = readJson<TagCount[]>(TAGS_KEY);
@@ -47,7 +54,9 @@ export function getCachedTags(): TagCount[] {
 /** 右栏是否已有可展示的 session 缓存（含空列表） */
 export function hasCachedAside(): boolean {
   try {
-    return sessionStorage.getItem(RECENT_COMMENTS_KEY) != null;
+    return sessionStorage.getItem(RECENT_COMMENTS_KEY) != null
+      || sessionStorage.getItem(RECENT_USERS_KEY) != null
+      || sessionStorage.getItem(TAGS_KEY) != null;
   } catch {
     return false;
   }
@@ -65,6 +74,10 @@ export function setCachedRecentComments(list: RecentComment[]) {
   writeJson(RECENT_COMMENTS_KEY, list);
 }
 
+export function setCachedRecentUsers(list: RecentUser[]) {
+  writeJson(RECENT_USERS_KEY, list);
+}
+
 export function setCachedTags(tags: TagCount[]) {
   writeJson(TAGS_KEY, tags);
 }

handler/api.go

@@ -1141,6 +1141,19 @@ func (h *Handlers) APIRecentComments(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"comments": list})
 }
 
+// APIRecentUsers 最新注册用户（右栏）
+func (h *Handlers) APIRecentUsers(c *gin.Context) {
+	list, err := h.User.ListRecentRegistered(8)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	if list == nil {
+		list = []service.RecentUserItem{}
+	}
+	c.JSON(http.StatusOK, gin.H{"users": list})
+}
+
 // APIFavorites 我的收藏
 func (h *Handlers) APIFavorites(c *gin.Context) {
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))

router/router.go

@@ -137,8 +137,9 @@ func Setup(cfg *config.Config) (*gin.Engine, error) {
 		pubAPI.GET("/posts/hot", h.APIHotPosts)
 		pubAPI.GET("/tags", h.APITags)
 		pubAPI.GET("/comments/recent", h.APIRecentComments)
-		// search 须在 :id 之前
+		// search / recent 须在 :id 之前
 		pubAPI.GET("/users/search", h.APISearchUsers)
+		pubAPI.GET("/users/recent", h.APIRecentUsers)
 		pubAPI.GET("/users/:id", h.APIUserPublic)
 		pubAPI.GET("/posts/:id", h.APIPostDetail)
 		pubAPI.GET("/posts/:id/comments", h.APIPostComments)

service/aside_widgets_test.go

@@ -9,16 +9,16 @@ func TestNormalizeAsideWidgetsPreservesOrder(t *testing.T) {
 		{ID: AsideWidgetRecentComments, Enabled: false},
 	}
 	out := NormalizeAsideWidgets(in)
-	if len(out) != 3 {
+	if len(out) != 4 {
-		t.Fatalf("want 3 widgets, got %d", len(out))
+		t.Fatalf("want 4 widgets, got %d", len(out))
 	}
-	want := []string{AsideWidgetFriendLinks, AsideWidgetTagCloud, AsideWidgetRecentComments}
+	want := []string{AsideWidgetFriendLinks, AsideWidgetTagCloud, AsideWidgetRecentComments, AsideWidgetRecentUsers}
 	for i, id := range want {
 		if out[i].ID != id {
 			t.Fatalf("index %d: want %s, got %s", i, id, out[i].ID)
 		}
 	}
-	if !out[0].Enabled || !out[1].Enabled || out[2].Enabled {
+	if !out[0].Enabled || !out[1].Enabled || out[2].Enabled || out[3].Enabled {
 		t.Fatalf("enabled flags mismatch: %+v", out)
 	}
 }
@@ -28,6 +28,7 @@ func TestAsideBoolsFromWidgets(t *testing.T) {
 		{ID: AsideWidgetRecentComments, Enabled: true},
 		{ID: AsideWidgetFriendLinks, Enabled: false},
 		{ID: AsideWidgetTagCloud, Enabled: true},
+		{ID: AsideWidgetRecentUsers, Enabled: true},
 	}
 	bools := asideBoolsFromWidgets(widgets)
 	if !bools.tagCloud || !bools.recentComments || bools.friendLinks {

service/post.go

@@ -58,6 +58,14 @@ type PostListItem struct {
 	model.Post
 	CommentCount       int         `json:"comment_count"`
 	LastReplyAt        *time.Time  `json:"last_reply_at,omitempty"`
+	LastReplyUser      *model.User `json:"last_reply_user,omitempty"`
+	LastReplyGuestNick string      `json:"last_reply_guest_nick,omitempty"`
+}
+
+type lastReplyInfo struct {
+	At        *time.Time
+	User      *model.User
+	GuestNick string
 }
 
 func (s *PostService) ListItems(q PostListQuery) ([]PostListItem, int64, error) {
@@ -73,13 +81,16 @@ func (s *PostService) ListItems(q PostListQuery) ([]PostListItem, int64, error)
 		ids[i] = p.ID
 	}
 	countMap := s.commentCountMap(ids)
-	replyMap := s.lastReplyMap(ids)
+	replyMap := s.lastReplyInfoMap(ids)
 	items := make([]PostListItem, len(posts))
 	for i, p := range posts {
+		info := replyMap[p.ID]
 		items[i] = PostListItem{
 			Post:               p,
 			CommentCount:       countMap[p.ID],
-			LastReplyAt:  replyMap[p.ID],
+			LastReplyAt:        info.At,
+			LastReplyUser:      info.User,
+			LastReplyGuestNick: info.GuestNick,
 		}
 	}
 	return items, total, nil
@@ -101,42 +112,48 @@ func (s *PostService) commentCountMap(postIDs []uint) map[uint]int {
 	return m
 }
 
-func (s *PostService) lastReplyMap(postIDs []uint) map[uint]*time.Time {
+func (s *PostService) lastReplyInfoMap(postIDs []uint) map[uint]lastReplyInfo {
-	type row struct {
+	m := make(map[uint]lastReplyInfo, len(postIDs))
-		PostID    uint
+	if len(postIDs) == 0 {
-		LastReply string
-	}
-	var rows []row
-	model.DB.Model(&model.Comment{}).
-		Select("post_id, MAX(created_at) as last_reply").
-		Where("post_id IN ? AND status = ?", postIDs, model.ContentStatusPublished).
-		Group("post_id").
-		Scan(&rows)
-	m := make(map[uint]*time.Time, len(rows))
-	for _, r := range rows {
-		if t, ok := parseSQLiteTime(r.LastReply); ok {
-			m[r.PostID] = &t
-		}
-	}
 		return m
 	}
-
+	type idRow struct {
-// parseSQLiteTime 解析 SQLite 聚合查询返回的时间字符串
+		PostID uint
-func parseSQLiteTime(s string) (time.Time, bool) {
+		MaxID  uint
-	if s == "" {
-		return time.Time{}, false
 	}
-	for _, layout := range []string{
+	var idRows []idRow
-		"2006-01-02 15:04:05.999999999-07:00",
+	model.DB.Model(&model.Comment{}).
-		time.RFC3339Nano,
+		Select("post_id, MAX(id) as max_id").
-		time.RFC3339,
+		Where("post_id IN ? AND status = ?", postIDs, model.ContentStatusPublished).
-		"2006-01-02 15:04:05",
+		Group("post_id").
-	} {
+		Scan(&idRows)
-		if t, err := time.Parse(layout, s); err == nil {
+	if len(idRows) == 0 {
-			return t, true
+		return m
 	}
+	commentIDs := make([]uint, len(idRows))
+	for i, r := range idRows {
+		commentIDs[i] = r.MaxID
 	}
-	return time.Time{}, false
+	var comments []model.Comment
+	if err := model.DB.Preload("User").Where("id IN ?", commentIDs).Find(&comments).Error; err != nil {
+		return m
+	}
+	for i := range comments {
+		c := &comments[i]
+		info := lastReplyInfo{At: &c.CreatedAt}
+		if c.UserID > 0 && c.User.ID > 0 {
+			u := c.User
+			info.User = &u
+		} else {
+			nick := strings.TrimSpace(c.GuestNick)
+			if nick == "" {
+				nick = "游客"
+			}
+			info.GuestNick = nick
+		}
+		m[c.PostID] = info
+	}
+	return m
 }
 
 // HotPosts 近期活跃讨论（近 7 日有公开回复，按最后回复时间倒序）
@@ -170,13 +187,16 @@ func (s *PostService) HotPosts(limit int) ([]PostListItem, error) {
 		ids[i] = p.ID
 	}
 	countMap := s.commentCountMap(ids)
-	replyMap := s.lastReplyMap(ids)
+	replyMap := s.lastReplyInfoMap(ids)
 	items := make([]PostListItem, len(posts))
 	for i, p := range posts {
+		info := replyMap[p.ID]
 		items[i] = PostListItem{
 			Post:               p,
 			CommentCount:       countMap[p.ID],
-			LastReplyAt:  replyMap[p.ID],
+			LastReplyAt:        info.At,
+			LastReplyUser:      info.User,
+			LastReplyGuestNick: info.GuestNick,
 		}
 	}
 	return items, nil

service/settings.go

@@ -144,12 +144,14 @@ type AsideWidget struct {
 const (
 	AsideWidgetTagCloud       = "tag_cloud"
 	AsideWidgetRecentComments = "recent_comments"
+	AsideWidgetRecentUsers    = "recent_users"
 	AsideWidgetFriendLinks    = "friend_links"
 )
 
 var asideWidgetDefaultOrder = []string{
 	AsideWidgetTagCloud,
 	AsideWidgetRecentComments,
+	AsideWidgetRecentUsers,
 	AsideWidgetFriendLinks,
 }
 
@@ -742,7 +744,7 @@ func asideBoolsFromWidgets(widgets []AsideWidget) asideWidgetBools {
 
 func isValidAsideWidgetID(id string) bool {
 	switch id {
-	case AsideWidgetTagCloud, AsideWidgetRecentComments, AsideWidgetFriendLinks:
+	case AsideWidgetTagCloud, AsideWidgetRecentComments, AsideWidgetRecentUsers, AsideWidgetFriendLinks:
 		return true
 	default:
 		return false

service/user.go

@@ -123,6 +123,44 @@ func (s *UserService) SearchUsersBrief(keyword string, limit int) ([]model.User,
 	return users, nil
 }
 
+// RecentUserItem 右栏「最新注册」条目
+type RecentUserItem struct {
+	ID        uint   `json:"id"`
+	Nickname  string `json:"nickname"`
+	Avatar    string `json:"avatar"`
+	CreatedAt string `json:"created_at"`
+}
+
+// ListRecentRegistered 前台最新注册用户（排除封禁）
+func (s *UserService) ListRecentRegistered(limit int) ([]RecentUserItem, error) {
+	if limit < 1 {
+		limit = 8
+	}
+	var users []model.User
+	err := model.DB.Select("id", "username", "nickname", "avatar", "created_at").
+		Where("banned = ?", false).
+		Order("created_at DESC, id DESC").
+		Limit(limit).
+		Find(&users).Error
+	if err != nil {
+		return nil, err
+	}
+	out := make([]RecentUserItem, 0, len(users))
+	for _, u := range users {
+		nick := strings.TrimSpace(u.Nickname)
+		if nick == "" {
+			nick = u.Username
+		}
+		out = append(out, RecentUserItem{
+			ID:        u.ID,
+			Nickname:  nick,
+			Avatar:    u.Avatar,
+			CreatedAt: u.CreatedAt.UTC().Format(time.RFC3339),
+		})
+	}
+	return out, nil
+}
+
 // UpdateNickname 修改昵称
 func (s *UserService) UpdateNickname(userID uint, nickname string) error {
 	nickname = strings.TrimSpace(nickname)