feat: @提及发送通知 + 通知点击定位高亮

- 新增 NotifyCommentMention 通知类型，归属 mention 分类 TAB
- parseMentions 中向被@用户发送通知（排除自己和重复通知）
- 消息中心 mention 通知可点击跳转至文章页面
- 通过 mention 通知进入时，来源评论置顶并持久半透明高亮
- 普通评论链接保持原有短暂高亮行为不变

internal/common/cookie.go

@@ -15,8 +15,8 @@ const (
 )
 
 // SetSessionCookie 写入会话 ID Cookie
-// rememberMe=true → Cookie 持久化（30天），关浏览器后仍保持登录
-// rememberMe=false → Cookie session 模式（maxAge=0），关浏览器即清除
+// rememberMe=true → Cookie maxAge=30天，关浏览器后仍保持登录
+// rememberMe=false → Cookie maxAge=空闲超时（默认2h），与Redis TTL一致，关浏览器后自动清除
 func SetSessionCookie(c *gin.Context, sid string, rememberMe bool, cfg *config.Config) {
 	secure := cfg.Server.Mode != "debug"
 	c.SetSameSite(http.SameSiteLaxMode)
@@ -25,7 +25,7 @@ func SetSessionCookie(c *gin.Context, sid string, rememberMe bool, cfg *config.C
 	if rememberMe {
 		maxAge = cfg.Session.RememberTimeout * 60 // 分钟 → 秒
 	} else {
-		maxAge = 0 // session cookie
+		maxAge = cfg.Session.IdleTimeout * 60 // 分钟 → 秒，与 Redis TTL 一致
 	}
 
 	log.Printf("[SetSessionCookie] sid=%s rememberMe=%v maxAge=%ds secure=%v", sid[:16]+"...", rememberMe, maxAge, secure)

internal/controller/comment_action_controller.go

@@ -41,7 +41,7 @@ func (ctrl *CommentController) Delete(c *gin.Context) {
 
 // SearchUsers GET /api/users/search?q=keyword
 func (ctrl *CommentController) SearchUsers(c *gin.Context) {
-	_, _, ok := common.GetGinUser(c)
+	uid, _, ok := common.GetGinUser(c)
 	if !ok {
 		common.Error(c, http.StatusUnauthorized, "请先登录")
 		return
@@ -53,7 +53,7 @@ func (ctrl *CommentController) SearchUsers(c *gin.Context) {
 		return
 	}
 
-	users, err := ctrl.commentService.SearchUsers(q)
+	users, err := ctrl.commentService.SearchUsers(q, uid)
 	if err != nil {
 		common.Error(c, http.StatusInternalServerError, "搜索用户失败")
 		return

internal/controller/interfaces.go

@@ -115,7 +115,7 @@ type commentUseCase interface {
 	Delete(commentID uint, requesterID uint, isAdmin bool) error
 	ListRootComments(postID uint, page, pageSize int) ([]model.Comment, int64, error)
 	ListReplies(rootID uint) ([]model.Comment, error)
-	SearchUsers(keyword string) ([]model.UserSearchResult, error)
+	SearchUsers(keyword string, followerUID uint) ([]model.UserSearchResult, error)
 }
 
 // reactionUseCase ReactionController 对 ReactionService 的最小依赖（ISP：4 个方法）

internal/model/comment.go

@@ -25,16 +25,23 @@ type Comment struct {
 	ReplyToName string `gorm:"-:migration;<-:false" json:"reply_to_name,omitempty"`
 	// RepliesCount 回复数（非DB字段，查询填充）
 	RepliesCount int `gorm:"-:migration;<-:false" json:"replies_count,omitempty"`
-	// Mentions 有效@提及映射 username -> uid（非DB字段，批量查询填充）
-	// 前端据此判断 @username 是否为有效提及并生成链接
-	Mentions map[string]uint `gorm:"-" json:"mentions,omitempty"`
+	// Mentions 有效@提及映射 original_username -> {uid, 当前显示名}（非DB字段，批量查询填充）
+	// key=创建时的原始@用户名，value={uid,当前显示名}，用户改名后链接仍有效且显示新名
+	Mentions map[string]MentionInfo `gorm:"-" json:"mentions,omitempty"`
 }
 
-// CommentMention @提及映射（绑定UID，不是username，支持改名后自动更新显示名）
+// CommentMention @提及映射（绑定UID + 原始用户名，支持改名后自动更新显示名）
 type CommentMention struct {
 	ID               uint   `gorm:"primarykey" json:"id"`
 	CommentID        uint   `gorm:"uniqueIndex:idx_comment_uid,priority:1;not null" json:"comment_id"`
 	UID              uint   `gorm:"uniqueIndex:idx_comment_uid,priority:2;not null" json:"uid"`
+	OriginalUsername string `gorm:"type:varchar(64);not null;default:''" json:"original_username"`
+}
+
+// MentionInfo @提及显示信息（前端渲染用）
+type MentionInfo struct {
+	UID  uint   `json:"uid"`
+	Name string `json:"name"` // 当前显示名
 }
 
 // UserSearchResult @搜索用户结果

internal/model/notification.go

@@ -13,6 +13,7 @@ const (
 	NotifyCommentReply    = "comment_reply"
 	NotifyLikeAggregated  = "like_aggregated"  // 每日聚合点赞通知
 	NotifyFollow          = "follow"            // 关注通知
+	NotifyCommentMention  = "comment_mention"   // 评论@提及通知
 )
 
 // Notification 消息/通知模型
@@ -39,6 +40,7 @@ var NotifyTypeNames = map[string]string{
 	NotifyLevelUp:        "等级提升",
 	NotifyComment:        "评论",
 	NotifyCommentReply:   "回复",
+	NotifyCommentMention: "@ 提及",
 	NotifyLikeAggregated: "点赞",
 	NotifyFollow:         "关注",
 }
@@ -54,6 +56,7 @@ var NotifyCategory = map[string]string{
 	NotifyLevelUp:        "system",
 	NotifyComment:        "mention",
 	NotifyCommentReply:   "mention",
+	NotifyCommentMention: "mention",
 	NotifyLikeAggregated: "like",
 	NotifyFollow:         "follow",
 }

internal/repository/comment_mention_repo.go

@@ -17,8 +17,9 @@ func (r *CommentRepo) FindMentionsByComment(commentID uint) ([]model.CommentMent
 	return list, err
 }
 
-// LoadMentionsForComments 批量加载多条评论的有效@提及映射（username -> uid）
-// 传入的 comments 会被原地修改，填充 Mentions 字段
+// LoadMentionsForComments 批量加载多条评论的有效@提及映射
+// key=创建时的原始@用户名, value={uid, 用户当前显示名}
+// 用户改名后：原始名匹配body中的旧@文本，显示名随users表更新
 func (r *CommentRepo) LoadMentionsForComments(comments []model.Comment) error {
 	if len(comments) == 0 {
 		return nil
@@ -29,15 +30,15 @@ func (r *CommentRepo) LoadMentionsForComments(comments []model.Comment) error {
 		commentIDs[i] = c.ID
 	}
 
-	// 查询 comment_mentions JOIN users，拿到 username 和 uid
 	type mentionRow struct {
 		CommentID        uint
 		UID              uint
-		Username  string
+		OriginalUsername string
+		CurrentName      string
 	}
 	var rows []mentionRow
 	err := r.db.Table("comment_mentions").
-		Select("comment_mentions.comment_id, comment_mentions.uid, users.username").
+		Select("comment_mentions.comment_id, comment_mentions.uid, comment_mentions.original_username, users.username AS current_name").
 		Joins("LEFT JOIN users ON users.id = comment_mentions.uid").
 		Where("comment_mentions.comment_id IN ?", commentIDs).
 		Find(&rows).Error
@@ -45,13 +46,16 @@ func (r *CommentRepo) LoadMentionsForComments(comments []model.Comment) error {
 		return err
 	}
 
-	// 按 comment_id 分组
-	mentionMap := make(map[uint]map[string]uint)
+	// 按 comment_id 分组，key = original_username, value = MentionInfo
+	mentionMap := make(map[uint]map[string]model.MentionInfo)
 	for _, row := range rows {
 		if mentionMap[row.CommentID] == nil {
-			mentionMap[row.CommentID] = make(map[string]uint)
+			mentionMap[row.CommentID] = make(map[string]model.MentionInfo)
+		}
+		mentionMap[row.CommentID][row.OriginalUsername] = model.MentionInfo{
+			UID:  row.UID,
+			Name: row.CurrentName,
 		}
-		mentionMap[row.CommentID][row.Username] = row.UID
 	}
 
 	for i := range comments {
@@ -63,7 +67,8 @@ func (r *CommentRepo) LoadMentionsForComments(comments []model.Comment) error {
 }
 
 // SearchUsersByLevel 搜索指定等级及以上用户（用于@艾特），返回 uid/username/avatar/exp
-func (r *CommentRepo) SearchUsersByLevel(keyword string, minLevel int, limit int) ([]struct {
+// followerUID > 0 时按已关注优先排序，其次按exp降序
+func (r *CommentRepo) SearchUsersByLevel(keyword string, minLevel, limit int, followerUID uint) ([]struct {
 	UID      uint
 	Username string
 	Avatar   string
@@ -79,12 +84,17 @@ func (r *CommentRepo) SearchUsersByLevel(keyword string, minLevel int, limit int
 
 	threshold := model.LevelThresholds[minLevel]
 
-	err := r.db.Table("users").
-		Select("id, username, avatar, exp").
-		Where("username LIKE ? AND exp >= ? AND deleted_at IS NULL", "%"+keyword+"%", threshold).
-		Order("exp DESC").
-		Limit(limit).
-		Find(&list).Error
+	q := r.db.Table("users AS u").
+		Select("u.id AS uid, u.username, u.avatar, u.exp").
+		Where("u.username LIKE ? AND u.exp >= ? AND u.deleted_at IS NULL", "%"+keyword+"%", threshold).
+		Order("u.exp DESC")
+
+	if followerUID > 0 {
+		q = q.Joins("LEFT JOIN user_follows f ON f.followee_id = u.id AND f.follower_id = ?", followerUID).
+			Order("(f.follower_id IS NOT NULL) DESC, u.exp DESC")
+	}
+
+	err := q.Limit(limit).Find(&list).Error
 
 	var res []struct {
 		UID      uint

internal/router/api.go

@@ -136,10 +136,14 @@ func setupAPIRoutes(r *gin.Engine, cfg *config.Config, d *dependencies) {
 	}
 
 	// --- 关注 API ---
-	// 公开（未登录返回 false）
-	r.GET("/api/users/:uid/follow-status", d.followCtrl.GetStatus)
-	r.GET("/api/users/:uid/followers", d.followCtrl.Followers)
-	r.GET("/api/users/:uid/following", d.followCtrl.Following)
+	// 公开（Optional 认证以获取当前用户关注状态，未登录返回 false）
+	followPublic := r.Group("/api/users/:uid")
+	followPublic.Use(d.authMdw.Optional())
+	{
+		followPublic.GET("/follow-status", d.followCtrl.GetStatus)
+		followPublic.GET("/followers", d.followCtrl.Followers)
+		followPublic.GET("/following", d.followCtrl.Following)
+	}
 	// 需登录：切换关注
 	followAPI := r.Group("/api/users/:uid")
 	followAPI.Use(d.authMdw.Required())

internal/service/comment_service.go

@@ -55,15 +55,15 @@ func (s *CommentService) CreateRoot(userID uint, postID uint, body string) (*mod
 	// 文章评论数+1
 	_ = s.repo.IncrCommentsCount(postID)
 
-	// 解析 @ 提及
-	s.parseMentions(comment.ID, body)
-
-	// 通知文章作者（评论者 ≠ 作者），RelatedID 存 postID 以便消息页生成跳转链接
-	if s.notifier != nil && userID != postAuthorID {
+	// 解析 @ 提及 + 发送通知
 	commenterName, _ := s.repo.GetUsernameByID(userID)
 	if commenterName == "" {
 		commenterName = "用户"
 	}
+	s.parseMentions(comment.ID, postID, userID, commenterName, body)
+
+	// 通知文章作者（评论者 ≠ 作者），RelatedID 存 postID 以便消息页生成跳转链接
+	if s.notifier != nil && userID != postAuthorID {
 		s.notifier.Create(postAuthorID, model.NotifyComment,
 			"新评论",
 			fmt.Sprintf("%s 评论了你的文章", commenterName),
@@ -103,15 +103,15 @@ func (s *CommentService) CreateReply(userID uint, parentID uint, body string) (*
 	// 文章评论数+1
 	_ = s.repo.IncrCommentsCount(parent.PostID)
 
-	// 解析 @ 提及
-	s.parseMentions(comment.ID, body)
-
-	// 通知被回复者（不自己回复自己），RelatedID 存 postID 以便消息页生成跳转链接
-	if s.notifier != nil && parent.UserID != userID {
+	// 解析 @ 提及 + 发送通知
 	commenterName, _ := s.repo.GetUsernameByID(userID)
 	if commenterName == "" {
 		commenterName = "用户"
 	}
+	s.parseMentions(comment.ID, parent.PostID, userID, commenterName, body)
+
+	// 通知被回复者（不自己回复自己），RelatedID 存 postID 以便消息页生成跳转链接
+	if s.notifier != nil && parent.UserID != userID {
 		s.notifier.Create(parent.UserID, model.NotifyCommentReply,
 			"新回复",
 			fmt.Sprintf("%s 回复了你的评论", commenterName),
@@ -190,9 +190,9 @@ func (s *CommentService) ListAllComments(keyword string, showDeleted bool, page,
 	return rows, total, err
 }
 
-// SearchUsers 搜索LV2+用户（用于@艾特悬浮窗）
-func (s *CommentService) SearchUsers(keyword string) ([]model.UserSearchResult, error) {
-	rows, err := s.repo.SearchUsersByLevel(keyword, 2, 10)
+// SearchUsers 搜索LV2+用户（用于@艾特悬浮窗），已关注优先，最多5条
+func (s *CommentService) SearchUsers(keyword string, followerUID uint) ([]model.UserSearchResult, error) {
+	rows, err := s.repo.SearchUsersByLevel(keyword, 2, 5, followerUID)
 	if err != nil {
 		return nil, fmt.Errorf("搜索用户失败: %w", err)
 	}
@@ -209,22 +209,36 @@ func (s *CommentService) SearchUsers(keyword string) ([]model.UserSearchResult,
 	return users, nil
 }
 
-// parseMentions 解析@用户并存储到 comment_mentions 表
-func (s *CommentService) parseMentions(commentID uint, body string) {
+// parseMentions 解析@用户，存储到 comment_mentions 表，并向被@用户发送通知
+func (s *CommentService) parseMentions(commentID uint, postID uint, commenterID uint, commenterName string, body string) {
 	matches := mentionPattern.FindAllStringSubmatch(body, -1)
 	seen := make(map[string]bool)
+	notified := make(map[uint]bool) // 防止重复通知同一用户
+
 	for _, m := range matches {
 		username := m[1]
 		if seen[username] {
 			continue
 		}
 		seen[username] = true
-		rows, _ := s.repo.SearchUsersByLevel(username, 2, 1)
-		if len(rows) > 0 {
+		rows, _ := s.repo.SearchUsersByLevel(username, 2, 1, 0)
+		if len(rows) == 0 {
+			continue
+		}
+		mentionedUID := rows[0].UID
 		_ = s.repo.CreateMention(&model.CommentMention{
 			CommentID:        commentID,
-				UID:       rows[0].UID,
+			UID:              mentionedUID,
+			OriginalUsername: username,
 		})
+
+		// 向被@用户发送通知（排除自己@自己、重复通知）
+		if s.notifier != nil && mentionedUID != commenterID && !notified[mentionedUID] {
+			notified[mentionedUID] = true
+			s.notifier.Create(mentionedUID, model.NotifyCommentMention,
+				"新提及",
+				fmt.Sprintf("%s 在评论中 @ 了你", commenterName),
+				&postID, &commentID)
 		}
 	}
 }

internal/service/notification_notify.go

@@ -49,7 +49,7 @@ func categoryTypes(category string) []string {
 	case "system":
 		return []string{model.NotifyAuditApproved, model.NotifyAuditRejected, model.NotifyPostApproved, model.NotifyPostRejected, model.NotifyPostLocked, model.NotifyPostUnlocked, model.NotifyLevelUp}
 	case "mention":
-		return []string{model.NotifyComment, model.NotifyCommentReply}
+		return []string{model.NotifyComment, model.NotifyCommentReply, model.NotifyCommentMention}
 	case "like":
 		return []string{model.NotifyLikeAggregated}
 	case "follow":

internal/service/repository.go

@@ -155,7 +155,7 @@ type commentStore interface {
 	CreateMention(mention *model.CommentMention) error
 	FindPostIDByComment(commentID uint) (uint, error)
 	FindPostAuthorID(postID uint) (uint, error)
-	SearchUsersByLevel(keyword string, minLevel, limit int) ([]struct {
+	SearchUsersByLevel(keyword string, minLevel, limit int, followerUID uint) ([]struct {
 		UID      uint
 		Username string
 		Avatar   string

templates/MetaLab-2026/html/messages/index.html

@@ -97,8 +97,16 @@
                 {{else}}
                     {{$link = printf "/posts/%d#comments" (derefUint $m.RelatedID)}}
                 {{end}}
+            {{else if eq $m.NotifyType "comment_mention"}}
+                {{if $m.CommentID}}
+                    {{$link = printf "/posts/%d#mention-%d" (derefUint $m.RelatedID) (derefUint $m.CommentID)}}
+                {{else}}
+                    {{$link = printf "/posts/%d#comments" (derefUint $m.RelatedID)}}
+                {{end}}
             {{else if or (eq $m.NotifyType "audit_approved") (eq $m.NotifyType "audit_rejected")}}
                 {{$link = "/settings"}}
+            {{else if eq $m.NotifyType "follow"}}
+                {{$link = printf "/space/%d" (derefUint $m.RelatedID)}}
             {{end}}
             {{if $link}}
             <a href="{{$link}}" class="msg-card-link">

templates/MetaLab-2026/html/space/index.html

@@ -35,10 +35,8 @@
 
             <!-- 右：操作按钮 -->
             <div class="space-header-actions">
-                {{if .IsOwnSpace}}
-                <!-- 本人无关注按钮 -->
-                {{else}}
-                <button id="space-follow-btn" class="space-action-btn primary" data-uid="{{.SpaceUser.ID}}">+ 关注</button>
+                <button id="space-follow-btn" class="space-action-btn primary" data-uid="{{.SpaceUser.ID}}" data-current-uid="{{.CurrentUID}}">+ 关注</button>
+                {{if not .IsOwnSpace}}
                 <button class="space-action-btn">发消息</button>
                 <button class="space-action-btn icon-only" title="更多">⋮</button>
                 {{end}}
@@ -576,10 +574,60 @@
 
 {{template "layout/footer.html" .}}
 
-<!-- 访客空间：关注按钮交互 -->
-{{if and (not .IsOwnSpace) (or (eq .ActiveTab "following") (eq .ActiveTab "followers"))}}
+<!-- 关注按钮交互 -->
+<!-- 顶部关注按钮（所有标签页通用） -->
 <script nonce="{{.CSPNonce}}">
 (function() {
+    var topFollowBtn = document.getElementById('space-follow-btn');
+    if (!topFollowBtn) return;
+
+    var topUid = topFollowBtn.getAttribute('data-uid');
+    var currentUID = parseInt(topFollowBtn.getAttribute('data-current-uid')) || 0;
+
+    if (currentUID && parseInt(topUid) !== currentUID) {
+        fetch('/api/users/' + topUid + '/follow-status')
+            .then(function(res) { return res.json(); })
+            .then(function(data) {
+                if (data && data.success && data.data) {
+                    var s = data.data;
+                    topFollowBtn.textContent = (s.i_follow ? (s.they_follow ? '已互粉' : '已关注') : (s.they_follow ? '回关' : '+ 关注'));
+                    if (s.i_follow) topFollowBtn.classList.add('followed');
+                }
+            });
+    }
+
+    topFollowBtn.addEventListener('click', function() {
+        if (currentUID && parseInt(topUid) === currentUID) {
+            showToast('不能关注自己', 'warning');
+            return;
+        }
+        if (!currentUID) {
+            window.location.href = '/auth/login?redirect=/space/' + topUid;
+            return;
+        }
+        var xhr = new XMLHttpRequest();
+        xhr.open('POST', '/api/users/' + topUid + '/follow', true);
+        xhr.onreadystatechange = function() {
+            if (xhr.readyState === 4 && xhr.status === 200) {
+                try {
+                    var resp = JSON.parse(xhr.responseText);
+                    if (resp.data && resp.data.status) {
+                        var st = resp.data.status;
+                        topFollowBtn.textContent = (st.i_follow ? (st.they_follow ? '已互粉' : '已关注') : (st.they_follow ? '回关' : '+ 关注'));
+                        topFollowBtn.classList.toggle('followed', st.i_follow);
+                    }
+                } catch(e){}
+            }
+        };
+        xhr.send();
+    });
+})();
+</script>
+
+{{if or (eq .ActiveTab "following") (eq .ActiveTab "followers")}}
+<script nonce="{{.CSPNonce}}">
+(function() {
+    var currentUID = {{.CurrentUID}} || 0;
     var cards = document.querySelectorAll('.space-user-card');
     if (!cards.length) return;
 
@@ -605,7 +653,7 @@
         if (state === 'following' || state === 'mutual') btn.classList.add('followed');
     }
 
-    // 批量获取并更新每个卡片关注状态
+    // 批量获取并更新每个卡片关注状态（仅非自己）
     cards.forEach(function(card) {
         var btn = card.querySelector('.space-follow-btn');
         if (!btn || btn.disabled) return;
@@ -618,6 +666,10 @@
             });
 
         btn.addEventListener('click', function() {
+            if (currentUID && parseInt(targetUid) === currentUID) {
+                showToast('不能关注自己');
+                return;
+            }
             btn.classList.add('waiting');
             var xhr = new XMLHttpRequest();
             xhr.open('POST', '/api/users/' + targetUid + '/follow', true);
@@ -632,44 +684,6 @@
             xhr.send();
         });
     });
-
-    // 顶部关注按钮
-    var topFollowBtn = document.getElementById('space-follow-btn');
-    if (topFollowBtn) {
-        var topUid = topFollowBtn.getAttribute('data-uid');
-        fetch('/api/users/' + topUid + '/follow-status')
-            .then(function(res) { return res.json(); })
-            .then(function(data) {
-                if (data && data.success && data.data) {
-                    var s = data.data;
-                    topFollowBtn.textContent = (s.i_follow ? (s.they_follow ? '已互粉' : '已关注') : (s.they_follow ? '回关' : '+ 关注'));
-                    if (s.i_follow) topFollowBtn.classList.add('followed');
-                }
-            });
-        topFollowBtn.addEventListener('click', function() {
-            var xhr = new XMLHttpRequest();
-            xhr.open('POST', '/api/users/' + topUid + '/follow', true);
-            xhr.onreadystatechange = function() {
-                if (xhr.readyState === 4 && xhr.status === 200) {
-                    try {
-                        var resp = JSON.parse(xhr.responseText);
-                        if (resp.data && resp.data.status) {
-                            var st = resp.data.status;
-                            topFollowBtn.textContent = (st.i_follow ? (st.they_follow ? '已互粉' : '已关注') : (st.they_follow ? '回关' : '+ 关注'));
-                            topFollowBtn.classList.toggle('followed', st.i_follow);
-                            // 同时更新下方卡片中的对应按钮
-                            cards.forEach(function(c) {
-                                if (c.getAttribute('data-uid') === topUid) {
-                                    var cb = c.querySelector('.space-follow-btn'); if(cb) updateBtn(cb, st);
-                                }
-                            });
-                        }
-                    } catch(e){}
-                }
-            };
-            xhr.send();
-        });
-    }
 })();
 </script>
 {{end}}
@@ -695,7 +709,7 @@ function createFolder() {
         headers: {'Content-Type': 'application/json'},
         body: JSON.stringify({name: name, is_public: false})
     }).then(function(r) { return r.json(); }).then(function(d) {
-        if (d.success) { location.reload(); } else { alert(d.message || '创建失败'); }
+        if (d.success) { location.reload(); } else { showToast(d.message || '创建失败', 'error'); }
     });
 }
 
@@ -733,7 +747,7 @@ document.querySelectorAll('#privacy-follow-list, #privacy-follower-list').forEac
             headers: {'Content-Type': 'application/json'},
             body: JSON.stringify({field: field, value: value})
         }).then(function(r){return r.json()}).then(function(d){
-            if(!d.success) { this.checked=!value; alert(d.message||'保存失败'); }
+            if(!d.success) { this.checked=!value; showToast(d.message||'保存失败', 'error'); }
         }.bind(this));
     });
 });

templates/MetaLab-2026/html/studio/drafts.html

@@ -73,7 +73,7 @@ function submitPost(id) {
             if (data.success) {
                 location.reload();
             } else {
-                alert(data.message || '提交失败');
+                showToast(data.message || '提交失败', 'error');
             }
         });
     });
@@ -94,7 +94,7 @@ function deletePost(id) {
             if (data.success) {
                 location.reload();
             } else {
-                alert(data.message || '删除失败');
+                showToast(data.message || '删除失败', 'error');
             }
         });
     });

templates/MetaLab-2026/html/studio/posts.html

@@ -94,7 +94,7 @@ function deletePost(id) {
             if (data.success) {
                 location.reload();
             } else {
-                alert(data.message || '删除失败');
+                showToast(data.message || '删除失败', 'error');
             }
         });
     });

templates/MetaLab-2026/static/css/posts.css

@@ -1096,6 +1096,12 @@
     border-bottom: none;
 }
 
+/* @提及通知进入：持久半透明高亮 */
+.comment-card.highlight-mention,
+.comment-reply-card.highlight-mention {
+    background: rgba(255, 248, 225, 0.5) !important;
+}
+
 .comment-header {
     display: flex;
     justify-content: space-between;
@@ -1368,24 +1374,3 @@
     margin-top: 2px;
     padding-top: 6px;
 }
-
-/* 赋能 Toast */
-.energize-toast {
-    position: fixed;
-    top: 80px;
-    left: 50%;
-    transform: translateX(-50%);
-    background: #1f2937;
-    color: #fff;
-    padding: 10px 24px;
-    border-radius: 8px;
-    font-size: 14px;
-    opacity: 0;
-    transition: opacity .3s;
-    z-index: 10000;
-    pointer-events: none;
-}
-
-.energize-toast.show {
-    opacity: 1;
-}

templates/MetaLab-2026/static/js/post-comments.js

@@ -14,17 +14,17 @@
     var currentPage = 1;
     var totalPages = 1;
 
-    // 渲染@提及：有效提及渲染为蓝色链接，无效提及保持纯文本
+    // 渲染@提及：有效提及渲染为蓝色链接（显示当前用户名），无效提及保持纯文本
+    // mentions: { original_username: {uid, name} } — name为当前显示名，用户改名后自动更新
     function renderMentions(body, mentions) {
         body = escapeHtml(body);
         if (!mentions || Object.keys(mentions).length === 0) {
-            // 无 mentions 数据时仍高亮@，但不加链接（降级处理）
             return body.replace(/@(\S{1,16})/g, '<span class="reply-to">@$1</span>');
         }
         return body.replace(/@(\S{1,16})/g, function(match, username) {
-            var uid = mentions[username];
-            if (uid) {
-                return '<a class="mention-link" href="/space/' + uid + '">@' + escapeHtml(username) + '</a>';
+            var info = mentions[username];
+            if (info && info.uid) {
+                return '<a class="mention-link" href="/space/' + info.uid + '">@' + escapeHtml(info.name) + '</a>';
             }
             return match;
         });
@@ -201,7 +201,7 @@
             var input = document.getElementById('replyInput-' + id);
             if (!input) return;
             var body = input.value.trim();
-            if (!body) { alert('请输入回复内容'); return; }
+            if (!body) { showToast('请输入回复内容', 'warning'); return; }
 
             btn.disabled = true;
             api('POST', '/api/comments/' + id + '/reply', { body: body })
@@ -236,12 +236,12 @@
                         }
                         updateTotalCount(1);
                     } else {
-                        alert(d.message || '回复失败');
+                        showToast(d.message || '回复失败', 'error');
                     }
                 })
                 .catch(function() {
                     btn.disabled = false;
-                    alert('请求失败');
+                    showToast('请求失败', 'error');
                 });
         });
     }
@@ -296,9 +296,9 @@
 
             clearTimeout(searchTimer);
 
-            // 仅输入 @ 时，显示空白下拉
+            // 仅输入 @ 时，显示提示
             if (query.length === 0) {
-                showMention(input, [], '');
+                showEmptyHint(input);
                 return;
             }
 
@@ -366,6 +366,23 @@
         dropdown.style.left = Math.min(pos.left, window.innerWidth - 230) + 'px';
     }
 
+    function showEmptyHint(input) {
+        var dropdown = mentionDropdown;
+        dropdown.innerHTML = '';
+        var hint = document.createElement('div');
+        hint.className = 'mention-no-result';
+        hint.textContent = '输入以查找用户';
+        dropdown.appendChild(hint);
+
+        var cursorIdx = input.selectionStart;
+        var pos = getCursorPixelPos(input, cursorIdx);
+        dropdown.style.display = 'block';
+        dropdown.style.width = '220px';
+        var dropHeight = dropdown.offsetHeight || 36;
+        dropdown.style.top = (pos.top - dropHeight - 4 + window.scrollY) + 'px';
+        dropdown.style.left = Math.min(pos.left, window.innerWidth - 230) + 'px';
+    }
+
     function hideMention() {
         mentionDropdown.style.display = 'none';
         mentionDropdown.innerHTML = '';
@@ -389,7 +406,7 @@
     if (commentSubmitBtn) {
         commentSubmitBtn.addEventListener('click', function() {
             var body = commentInput.value.trim();
-            if (!body) { alert('请输入评论内容'); return; }
+            if (!body) { showToast('请输入评论内容', 'warning'); return; }
 
             commentSubmitBtn.disabled = true;
             api('POST', '/api/posts/' + postId + '/comments', { body: body })
@@ -402,12 +419,12 @@
                         loadComments(currentPage);
                         updateTotalCount(1);
                     } else {
-                        alert(d.message || '发表失败');
+                        showToast(d.message || '发表失败', 'error');
                     }
                 })
                 .catch(function() {
                     commentSubmitBtn.disabled = false;
-                    alert('请求失败');
+                    showToast('请求失败', 'error');
                 });
         });
 
@@ -466,14 +483,14 @@
                     input.focus();
                     input.selectionStart = input.selectionEnd = start + imgUrl.length;
                 } else {
-                    alert(d.message || '上传失败');
+                    showToast(d.message || '上传失败', 'error');
                 }
             })
             .catch(function() {
                 uploadLabel.style.pointerEvents = 'auto';
                 uploadLabel.style.opacity = '1';
                 uploadLabel.innerHTML = '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg> 图片';
-                alert('上传失败');
+                showToast('上传失败', 'error');
             });
 
             imageUploadInput.value = '';
@@ -481,21 +498,45 @@
     }
 
     // ====== 评论高亮 ======
-    function highlightComment(commentId) {
+    function highlightComment(commentId, persistent) {
         var card = commentsList.querySelector('.comment-card[data-id="' + commentId + '"]') ||
                    commentsList.querySelector('.comment-reply-card[data-id="' + commentId + '"]');
         if (card) {
             commentsList.insertBefore(card, commentsList.firstChild);
             card.scrollIntoView({ behavior: 'smooth', block: 'start' });
+            if (persistent) {
+                card.classList.add('highlight-mention');
+            } else {
                 card.style.background = '#fff8e1';
                 card.style.transition = 'background 1.5s';
                 setTimeout(function() { card.style.background = ''; }, 2000);
+            }
             return true;
         }
         return false;
     }
 
     var hash = window.location.hash;
+
+    // @提及通知进入：置顶 + 持久高亮
+    var mentionMatch = hash.match(/^#mention-(\d+)$/);
+    if (mentionMatch) {
+        var mentionCommentId = mentionMatch[1];
+        var mentionInterval = setInterval(function() {
+            if (highlightComment(mentionCommentId, true)) {
+                clearInterval(mentionInterval);
+            }
+        }, 300);
+        setTimeout(function() {
+            clearInterval(mentionInterval);
+            if (!commentsList.querySelector('.comment-card[data-id="' + mentionCommentId + '"]') &&
+                !commentsList.querySelector('.comment-reply-card[data-id="' + mentionCommentId + '"]')) {
+                showToast('该评论已不存在');
+            }
+        }, 3000);
+    }
+
+    // 普通评论/回复链接：短暂高亮
     var commentMatch = hash.match(/^#comment-(\d+)$/);
     if (commentMatch) {
         var targetCommentId = commentMatch[1];

templates/MetaLab-2026/static/js/post-energize.js

@@ -12,18 +12,6 @@
     var isAuthor = btn.dataset.uid && btn.dataset.authorUid &&
         btn.dataset.uid === btn.dataset.authorUid;
 
-    function showToast(msg) {
-        var toast = document.createElement('div');
-        toast.className = 'energize-toast';
-        toast.textContent = msg;
-        document.body.appendChild(toast);
-        setTimeout(function() { toast.classList.add('show'); }, 10);
-        setTimeout(function() {
-            toast.classList.remove('show');
-            setTimeout(function() { toast.remove(); }, 300);
-        }, 2000);
-    }
-
     function showOverlay() {
         overlay.style.display = 'flex';
     }
@@ -55,7 +43,7 @@
 
     btn.addEventListener('click', function() {
         if (isAuthor) {
-            showToast('无法给自己赋能');
+            showToast('无法给自己赋能', 'warning');
             return;
         }
         btn.disabled = true;
@@ -64,7 +52,7 @@
             .then(function(d) {
                 btn.disabled = false;
                 if (!d.success || !d.data) {
-                    showToast('获取状态失败，请稍后重试');
+                    showToast('获取状态失败，请稍后重试', 'error');
                     return;
                 }
                 if (d.data.daily_exp_cap_reached) {
@@ -72,7 +60,7 @@
                 }
                 var total = d.data.post_energize_total || 0;
                 if (total >= 20) {
-                    showToast('对该文章赋能已达上限');
+                    showToast('对该文章赋能已达上限', 'warning');
                     return;
                 }
                 if (total >= 10) {
@@ -82,7 +70,7 @@
             })
             .catch(function() {
                 btn.disabled = false;
-                showToast('获取状态失败，请稍后重试');
+                showToast('获取状态失败，请稍后重试', 'error');
             });
     });
 
@@ -106,16 +94,16 @@
         .then(function(r) { return r.json(); })
         .then(function(d) {
             if (d.success) {
-                alert(d.data.message || '赋能成功！');
+                showToast(d.data && d.data.message ? d.data.message : '赋能成功！', 'success');
                 hideOverlay();
             } else {
-                alert(d.message || '赋能失败');
+                showToast(d.message || '赋能失败', 'error');
                 lightBtn.disabled = false;
                 heavyBtn.disabled = false;
             }
         })
         .catch(function() {
-            alert('请求失败');
+            showToast('请求失败', 'error');
             lightBtn.disabled = false;
             heavyBtn.disabled = false;
         });

templates/MetaLab-2026/static/js/post-favorite.js

@@ -117,7 +117,7 @@
                     updateBtn(true);
                     hideModal();
                 } else {
-                    alert(d.message || '操作失败');
+                    showToast(d.message || '操作失败', 'error');
                 }
             })
             .catch(function() { loading = false; });
@@ -137,7 +137,7 @@
                         if (favCountEl) favCountEl.textContent = Math.max(0, (parseInt(favCountEl.textContent) || 0) - 1);
                         hideModal();
                     } else {
-                    alert(d.message || '操作失败');
+                    showToast(d.message || '操作失败', 'error');
                 }
             })
             .catch(function() { loading = false; });
@@ -155,7 +155,7 @@
                     loading = false;
                     newBtn.disabled = false;
                     newBtn.textContent = '创建并收藏';
-                    alert(d.message || '创建失败');
+                    showToast(d.message || '创建失败', 'error');
                     return;
                 }
                 var newId = d.data && d.data.id;
@@ -170,7 +170,7 @@
                             if (favCountEl) favCountEl.textContent = (parseInt(favCountEl.textContent) || 0) + 1;
                             hideModal();
                         } else {
-                            alert(d2.message || '操作失败');
+                            showToast(d2.message || '操作失败', 'error');
                         }
                     });
             })
@@ -212,8 +212,8 @@
     if (newBtn && newInput) {
         newBtn.addEventListener('click', function() {
             var name = newInput.value.trim();
-            if (!name) { alert('请输入收藏夹名称'); return; }
-            if (name.length > 50) { alert('收藏夹名称不能超过 50 个字符'); return; }
+            if (!name) { showToast('请输入收藏夹名称', 'warning'); return; }
+            if (name.length > 50) { showToast('收藏夹名称不能超过 50 个字符', 'warning'); return; }
             createAndAdd(name);
         });
         newInput.addEventListener('keydown', function(e) {

templates/MetaLab-2026/static/js/post-reactions.js

@@ -41,7 +41,7 @@
             if (d.success) {
                 updateUI(d.data.liked ? 'liked' : 'none', d.data.likes_count);
             } else {
-                alert(d.message || '操作失败');
+                showToast(d.message || '操作失败', 'error');
             }
         })
         .catch(function() { likeBtn.disabled = false; });
@@ -63,7 +63,7 @@
             if (d.success) {
                 updateUI(d.data.disliked ? 'disliked' : 'none');
             } else {
-                alert(d.message || '操作失败');
+                showToast(d.message || '操作失败', 'error');
             }
         })
         .catch(function() { dislikeBtn.disabled = false; });

templates/MetaLab-2026/static/js/post-view.js

@@ -41,9 +41,9 @@
                 .then(function(r) { return r.json(); })
                 .then(function(d) {
                     if (d.success) { window.location.reload(); }
-                    else { alert(d.message || '提交失败'); }
+                    else { showToast(d.message || '提交失败', 'error'); }
                 })
-                .catch(function() { alert('请求失败'); });
+                .catch(function() { showToast('请求失败', 'error'); });
             });
         });
     }

templates/MetaLab-2026/static/js/studio-editor.js

@@ -169,10 +169,10 @@ async function handleSubmit(e) {
     try {
         const postId = document.getElementById('postId')?.value
         const title = document.getElementById('postTitle')?.value.trim()
-        if (!title) { alert('请输入标题'); return }
+        if (!title) { showToast('请输入标题', 'warning'); return }
 
         const body = vditor ? vditor.getValue() : ''
-        if (!body.trim()) { alert('请输入正文'); return }
+        if (!body.trim()) { showToast('请输入正文', 'warning'); return }
 
         const isEdit = !!postId
         const url = isEdit ? '/api/studio/posts/' + postId : '/api/studio/posts'
@@ -197,10 +197,10 @@ async function handleSubmit(e) {
                 window.location.href = '/studio/posts'
             }
         } else {
-            alert(data.message || '操作失败')
+            showToast(data.message || '操作失败', 'error')
         }
     } catch (err) {
-        alert('请求失败，请重试')
+        showToast('请求失败，请重试', 'error')
     } finally {
         submitting = false
         if (submitBtn) {

templates/admin/static/js/posts.js

@@ -22,8 +22,8 @@
     // 审核通过
     handleClick('.post-approve', '确定审核通过此文章吗？', function(id) {
         api.post('/api/admin/posts/' + id + '/approve')
-            .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-            .catch(function() { alert('操作失败'); });
+            .then(function(d) { if (d.success) refreshPage(); else showToast(d.message || '操作失败', 'error'); })
+            .catch(function() { showToast('操作失败', 'error'); });
     });
 
     // 退回
@@ -31,8 +31,8 @@
         showPrompt('请输入退回理由（必填）：').then(function(reason) {
             if (!reason || !reason.trim()) return;
             api.post('/api/admin/posts/' + id + '/reject', { reason: reason.trim() })
-                .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-                .catch(function() { alert('操作失败'); });
+                .then(function(d) { if (d.success) refreshPage(); else showToast(d.message || '操作失败', 'error'); })
+                .catch(function() { showToast('操作失败', 'error'); });
         });
     });
 
@@ -41,15 +41,15 @@
         showPrompt('请输入锁定理由（必填）：').then(function(reason) {
             if (!reason || !reason.trim()) return;
             api.post('/api/admin/posts/' + id + '/lock', { reason: reason.trim() })
-                .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-                .catch(function() { alert('操作失败'); });
+                .then(function(d) { if (d.success) refreshPage(); else showToast(d.message || '操作失败', 'error'); })
+                .catch(function() { showToast('操作失败', 'error'); });
         });
     });
 
     // 解锁
     handleClick('.post-unlock', '确定解锁此文章吗？', function(id) {
         api.post('/api/admin/posts/' + id + '/unlock')
-            .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-            .catch(function() { alert('操作失败'); });
+            .then(function(d) { if (d.success) refreshPage(); else showToast(d.message || '操作失败', 'error'); })
+            .catch(function() { showToast('操作失败', 'error'); });
     });
 })();