feat: Studio 概览/分析补上阅读量 + 详情页 meta 行改版

- StudioOverview 新增 TotalViews 字段，GetOverviewByUserID 查询含 SUM(views_count)
- 新增 ViewTrendStore 接口和 AggregateViewsByAuthor，UNION ALL 合并已登录+访客阅读日志按日期聚合
- 数据分析页面新增阅读量趋势折线图（绿色，Chart.js）
- 概览和数据分析页面新增总阅读量统计卡片
- 详情页 meta 行改为标签格式：作者/阅读/点赞/收藏/评论/发布时间
- 移除详情页公开状态徽章，已锁定+理由仅作者可见

internal/repository/post_stats_repo.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"metazone.cc/metalab/internal/model"
+	"metazone.cc/metalab/internal/service"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -40,10 +41,11 @@ type overviewRow struct {
 	PendingCount  int64
 	ApprovedCount int64
 	RejectedCount int64
+	TotalViews    int64
 }
 
-// GetOverviewByUserID 用单次 GROUP BY 查询聚合用户各状态文章数
+// GetOverviewByUserID 用单次 GROUP BY 查询聚合用户各状态文章数 + 总阅读量
-func (r *PostRepo) GetOverviewByUserID(userID uint) (totalPosts, draftCount, pendingCount, approvedCount, rejectedCount int64, err error) {
+func (r *PostRepo) GetOverviewByUserID(userID uint) (totalPosts, draftCount, pendingCount, approvedCount, rejectedCount, totalViews int64, err error) {
 	var row overviewRow
 	err = r.db.Model(&model.Post{}).
 		Select(`
@@ -51,11 +53,12 @@ func (r *PostRepo) GetOverviewByUserID(userID uint) (totalPosts, draftCount, pen
 			COALESCE(SUM(CASE WHEN status = 'draft' THEN 1 ELSE 0 END), 0) AS draft_count,
 			COALESCE(SUM(CASE WHEN status = 'pending' THEN 1 ELSE 0 END), 0) AS pending_count,
 			COALESCE(SUM(CASE WHEN status = 'approved' THEN 1 ELSE 0 END), 0) AS approved_count,
-			COALESCE(SUM(CASE WHEN status = 'rejected' THEN 1 ELSE 0 END), 0) AS rejected_count
+			COALESCE(SUM(CASE WHEN status = 'rejected' THEN 1 ELSE 0 END), 0) AS rejected_count,
+			COALESCE(SUM(views_count), 0) AS total_views
 		`).
 		Where("user_id = ? AND deleted_at IS NULL", userID).
 		Scan(&row).Error
-	return row.TotalPosts, row.DraftCount, row.PendingCount, row.ApprovedCount, row.RejectedCount, err
+	return row.TotalPosts, row.DraftCount, row.PendingCount, row.ApprovedCount, row.RejectedCount, row.TotalViews, err
 }
 
 // readCooldown 两次阅读记录最小间隔
@@ -106,3 +109,26 @@ func (r *PostRepo) IncrementViewsCount(postID uint) error {
 	return r.db.Model(&model.Post{}).Where("id = ?", postID).
 		Update("views_count", gorm.Expr("views_count + 1")).Error
 }
+
+// AggregateViewsByAuthor 按日期聚合阅读量（作者所有文章在时间段内的阅读记录，含已登录+访客）
+func (r *PostRepo) AggregateViewsByAuthor(userID uint, since string) ([]service.TrendPoint, error) {
+	var results []service.TrendPoint
+	err := r.db.Raw(`
+		SELECT TO_CHAR(t.read_at, 'YYYY-MM-DD') AS date, COUNT(*) AS value
+		FROM (
+			SELECT prl.read_at FROM post_read_logs prl
+			JOIN posts p ON p.id = prl.post_id
+			WHERE p.user_id = ? AND prl.read_at >= ?
+			UNION ALL
+			SELECT pgrl.read_at FROM post_guest_read_logs pgrl
+			JOIN posts p ON p.id = pgrl.post_id
+			WHERE p.user_id = ? AND pgrl.read_at >= ?
+		) t
+		GROUP BY TO_CHAR(t.read_at, 'YYYY-MM-DD')
+		ORDER BY date ASC
+	`, userID, since, userID, since).Scan(&results).Error
+	if results == nil {
+		results = []service.TrendPoint{}
+	}
+	return results, err
+}

internal/router/deps_extra.go

@@ -98,7 +98,7 @@ func buildDeps(db *gorm.DB, cfg *config.Config, siteSettings *config.SiteSetting
 	spaceCtrl.WithFavoriteService(favoriteService)
 
 	// Studio 趋势图
-	trendsService := service.NewTrendsService(energyRepo, commentRepo, reactionRepo, favoriteRepo)
+	trendsService := service.NewTrendsService(energyRepo, commentRepo, reactionRepo, favoriteRepo, postRepo)
 	studioCtrl.WithTrendsService(trendsService)
 
 	maintenanceMdw := middleware.NewMaintenanceMiddleware(cfg, siteSettings, sessionMgr)

internal/service/post_service.go

@@ -132,11 +132,12 @@ type StudioOverview struct {
 	PendingCount int64 `json:"pending_count"`
 	ApprovedCount int64 `json:"approved_count"`
 	RejectedCount int64 `json:"rejected_count"`
+	TotalViews   int64 `json:"total_views"`
 }
 
 // GetOverview 获取创作中心数据概览（单次 GROUP BY 查询）
 func (s *PostService) GetOverview(userID uint) (*StudioOverview, error) {
-	totalPosts, draftCount, pendingCount, approvedCount, rejectedCount, err := s.repo.GetOverviewByUserID(userID)
+	totalPosts, draftCount, pendingCount, approvedCount, rejectedCount, totalViews, err := s.repo.GetOverviewByUserID(userID)
 	if err != nil {
 		return nil, err
 	}
@@ -146,6 +147,7 @@ func (s *PostService) GetOverview(userID uint) (*StudioOverview, error) {
 		PendingCount:  pendingCount,
 		ApprovedCount: approvedCount,
 		RejectedCount: rejectedCount,
+		TotalViews:    totalViews,
 	}, nil
 }
 

internal/service/repository.go

@@ -37,7 +37,7 @@ type postStore interface {
 	FindPageable(keyword string, offset, limit int) ([]model.Post, int64, error)
 	FindAdminPageable(keyword, status string, offset, limit int) ([]model.Post, int64, error)
 	FindByUserIDAndStatus(userID uint, status string, offset, limit int) ([]model.Post, int64, error)
-	GetOverviewByUserID(userID uint) (totalPosts, draftCount, pendingCount, approvedCount, rejectedCount int64, err error)
+	GetOverviewByUserID(userID uint) (totalPosts, draftCount, pendingCount, approvedCount, rejectedCount, totalViews int64, err error)
 	FindPendingRevisions(keyword string, offset, limit int) ([]model.Post, int64, error)
 	Update(post *model.Post) error
 	SoftDelete(id uint) error
@@ -231,3 +231,8 @@ type LikeTrendStore interface {
 type FavoriteTrendStore interface {
 	AggregateFavoritesByAuthor(userID uint, since string) ([]TrendPoint, error)
 }
+
+// ViewTrendStore 阅读量趋势聚合（ISP）
+type ViewTrendStore interface {
+	AggregateViewsByAuthor(userID uint, since string) ([]TrendPoint, error)
+}

internal/service/trends_service.go

@@ -12,6 +12,7 @@ type TrendResult struct {
 	Comments  []TrendPoint `json:"comments"`
 	Likes     []TrendPoint `json:"likes"`
 	Favorites []TrendPoint `json:"favorites"`
+	Views     []TrendPoint `json:"views"`
 }
 
 // TrendsService Studio 趋势分析服务
@@ -20,15 +21,17 @@ type TrendsService struct {
 	commentRepo  CommentTrendStore
 	likeRepo     LikeTrendStore
 	favoriteRepo FavoriteTrendStore
+	viewRepo     ViewTrendStore
 }
 
 // NewTrendsService 构造函数
-func NewTrendsService(energyRepo EnergyTrendStore, commentRepo CommentTrendStore, likeRepo LikeTrendStore, favoriteRepo FavoriteTrendStore) *TrendsService {
+func NewTrendsService(energyRepo EnergyTrendStore, commentRepo CommentTrendStore, likeRepo LikeTrendStore, favoriteRepo FavoriteTrendStore, viewRepo ViewTrendStore) *TrendsService {
 	return &TrendsService{
 		energyRepo:   energyRepo,
 		commentRepo:  commentRepo,
 		likeRepo:     likeRepo,
 		favoriteRepo: favoriteRepo,
+		viewRepo:     viewRepo,
 	}
 }
 
@@ -73,6 +76,15 @@ func (s *TrendsService) GetTrends(userID uint, since string) (*TrendResult, erro
 		return nil
 	})
 
+	g.Go(func() error {
+		var err error
+		result.Views, err = s.viewRepo.AggregateViewsByAuthor(userID, since)
+		if err != nil {
+			return fmt.Errorf("查询阅读趋势: %w", err)
+		}
+		return nil
+	})
+
 	if err := g.Wait(); err != nil {
 		return nil, err
 	}

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

@@ -8,13 +8,14 @@
         <header class="post-detail-header">
             <h1 class="post-detail-title">{{.Post.Title}}</h1>
             <div class="post-detail-meta">
-                <span class="post-author">{{if .Post.AuthorName}}{{.Post.AuthorName}}{{else}}该用户已注销{{end}}</span>
+                <span>作者：{{if .Post.AuthorName}}{{.Post.AuthorName}}{{else}}该用户已注销{{end}}</span>
-                <span class="post-time">{{.Post.CreatedAt.Format "2006-01-02 15:04"}}</span>
+                <span>阅读：{{.Post.ViewsCount}}</span>
-                {{if ne .Post.Status "approved"}}
+                <span>点赞：{{.Post.LikesCount}}</span>
-                <span class="post-status post-status-{{.Post.Status}}">{{index $.StatusNames .Post.Status}}</span>
+                <span>收藏：{{.Post.FavoritesCount}}</span>
-                {{end}}
+                <span>评论：{{.Post.CommentsCount}}</span>
-                {{if .Post.IsLocked}}
+                <span>发布时间：{{.Post.CreatedAt.Format "2006-01-02 15:04"}}</span>
-                <span class="post-status post-status-locked">已锁定</span>
+                {{if and .Post.IsLocked (eq $.Post.UserID $.UID)}}
+                <span class="post-status post-status-locked">已锁定{{if .Post.LockReason}}：{{.Post.LockReason}}{{end}}</span>
                 {{end}}
                 {{if and .Post.PendingBody (eq $.Post.UserID $.UID)}}
                 <span class="post-status post-status-revision">修订审核中</span>

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

@@ -37,6 +37,13 @@
                     <span class="stat-card-label">草稿</span>
                 </div>
             </div>
+            <div class="stat-card">
+                <div class="stat-card-icon">👁</div>
+                <div class="stat-card-body">
+                    <span class="stat-card-value">{{.Overview.TotalViews}}</span>
+                    <span class="stat-card-label">总阅读量</span>
+                </div>
+            </div>
         </div>
 
         <div class="studio-section">
@@ -78,6 +85,13 @@
                     </div>
                     <div class="trends-loading" id="favoritesLoading">加载中...</div>
                 </div>
+                <div class="trends-card">
+                    <h3 class="trends-card-title">阅读量</h3>
+                    <div class="trends-chart-wrap">
+                        <canvas id="viewsChart"></canvas>
+                    </div>
+                    <div class="trends-loading" id="viewsLoading">加载中...</div>
+                </div>
             </div>
         </div>
         {{end}}
@@ -98,7 +112,8 @@
         energy: { border: '#f59e0b', bg: 'rgba(245, 158, 11, 0.1)' },
         comments: { border: '#3b82f6', bg: 'rgba(59, 130, 246, 0.1)' },
         likes: { border: '#ef4444', bg: 'rgba(239, 68, 68, 0.1)' },
-        favorites: { border: '#8b5cf6', bg: 'rgba(139, 92, 246, 0.1)' }
+        favorites: { border: '#8b5cf6', bg: 'rgba(139, 92, 246, 0.1)' },
+        views: { border: '#10b981', bg: 'rgba(16, 185, 129, 0.1)' }
     };
 
     function fillDates(points, days) {
@@ -193,8 +208,9 @@
         showLoading('commentsLoading');
         showLoading('likesLoading');
         showLoading('favoritesLoading');
+        showLoading('viewsLoading');
 
-        var canvasIds = ['energyChart', 'commentsChart', 'likesChart', 'favoritesChart'];
+        var canvasIds = ['energyChart', 'commentsChart', 'likesChart', 'favoritesChart', 'viewsChart'];
         canvasIds.forEach(function (id) {
             var canvas = document.getElementById(id);
             canvas.style.display = 'none';
@@ -217,7 +233,8 @@
                     { id: 'energyChart', key: 'energy', color: chartColors.energy, label: '赋能值', loading: 'energyLoading' },
                     { id: 'commentsChart', key: 'comments', color: chartColors.comments, label: '评论', loading: 'commentsLoading' },
                     { id: 'likesChart', key: 'likes', color: chartColors.likes, label: '点赞', loading: 'likesLoading' },
-                    { id: 'favoritesChart', key: 'favorites', color: chartColors.favorites, label: '收藏', loading: 'favoritesLoading' }
+                    { id: 'favoritesChart', key: 'favorites', color: chartColors.favorites, label: '收藏', loading: 'favoritesLoading' },
+                    { id: 'viewsChart', key: 'views', color: chartColors.views, label: '阅读', loading: 'viewsLoading' }
                 ];
 
                 maps.forEach(function (m) {

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

@@ -52,6 +52,13 @@
                     <span class="stat-card-label">已退回</span>
                 </div>
             </div>
+            <div class="stat-card">
+                <div class="stat-card-icon">👁</div>
+                <div class="stat-card-body">
+                    <span class="stat-card-value">{{.Overview.TotalViews}}</span>
+                    <span class="stat-card-label">总阅读量</span>
+                </div>
+            </div>
         </div>
 
         <!-- 状态分布 -->