feat(widget): 优化访客在线轨迹、GeoIP与多站点渠道

server/internal/service/session.go

@@ -28,6 +28,7 @@ type SessionListItem struct {
 	AgentName     string     `json:"agent_name"`
 	ChannelName   string     `json:"channel_name"`
 	ChannelType   string     `json:"channel_type"`
+	ChannelDomain string     `json:"channel_domain"`
 }
 
 // AgentItem 可转接/筛选坐席项。
@@ -60,6 +61,7 @@ func LoadTenantSession(id string, tenantID uint) (*model.Session, error) {
 	if session.TenantID != tenantID {
 		return nil, Forbidden("无权访问其他租户会话")
 	}
+	session.VisitorOnline = VisitorIsOnline(&session, time.Now())
 	return &session, nil
 }
 
@@ -225,6 +227,7 @@ func ListSessions(actor Actor, tenantID uint, f SessionFilter) ([]SessionListIte
 	items := make([]SessionListItem, 0, len(sessions))
 	for _, session := range sessions {
 		item := SessionListItem{Session: session, MessageCount: msgCountMap[session.ID]}
+		item.VisitorOnline = VisitorIsOnline(&session, time.Now())
 		if !actor.SessionAll && session.AgentID != nil && *session.AgentID == actor.UserID {
 			item.UnreadCount = unreadCount(session)
 		}
@@ -239,6 +242,7 @@ func ListSessions(actor Actor, tenantID uint, f SessionFilter) ([]SessionListIte
 		if ch, ok := channelMap[session.ChannelID]; ok {
 			item.ChannelName = ch.Name
 			item.ChannelType = ch.Type
+			item.ChannelDomain = ch.SiteDomain
 		}
 		var lastMsg model.Message
 		if err := model.DB.Where("session_id = ?", session.ID).Order("seq desc").First(&lastMsg).Error; err == nil {
@@ -529,7 +533,9 @@ func EndSession(session *model.Session, operatorID uint, reason string) error {
 
 	result := model.DB.Model(&model.Session{}).
 		Where("id = ? AND tenant_id = ? AND status <> ?", session.ID, session.TenantID, "ended").
-		Updates(map[string]interface{}{"status": "ended", "end_reason": reason, "ended_at": now})
+		Updates(map[string]interface{}{
+			"status": "ended", "end_reason": reason, "ended_at": now, "visitor_left_at": now,
+		})
 
 	if result.RowsAffected == 0 {
 		return NotFound("会话不存在")
@@ -543,6 +549,9 @@ func EndSession(session *model.Session, operatorID uint, reason string) error {
 	})
 	session.Status = "ended"
 	session.EndedAt = &now
+	session.VisitorLeftAt = &now
+	session.VisitorOnline = false
+	_ = CloseCurrentPageView(session, now)
 	BroadcastSessionUpdate(session)
 
 	return nil