访客落地页、在线读秒与浏览轨迹

记录进线页面与换页路径，心跳刷新活跃时间；工作台展示落地页/当前页/轨迹时间线与在线时长，嵌入脚本同步宿主 SPA 路由。

server/internal/handler/session.go

@@ -352,6 +352,8 @@ func (h *SessionHandler) Get(c *gin.Context) {
 	}
 	var events []model.SessionEvent
 	model.DB.Where("session_id = ?", session.ID).Order("created_at asc").Find(&events)
+	var pageViews []model.VisitorPageView
+	model.DB.Where("session_id = ?", session.ID).Order("entered_at asc").Limit(maxPageViewsPerSession).Find(&pageViews)
 	var pendingCount int64
 	model.DB.Model(&model.Session{}).Where("customer_id = ? AND tenant_id = ? AND status = ?", session.CustomerID, session.TenantID, "waiting").Count(&pendingCount)
 
@@ -365,6 +367,7 @@ func (h *SessionHandler) Get(c *gin.Context) {
 		"session":       session,
 		"messages":      messages,
 		"events":        events,
+		"page_views":    pageViews,
 		"pending_count": pendingCount,
 		"max_seq":       maxSeq,
 	})