feat: add customer service IM bindings

server/internal/dao/internal/customer_service.go

@@ -31,6 +31,9 @@ type CustomerServiceColumns struct {
 	ServiceUrl     string // 客服跳转URL
 	BackupContact  string // 备用联系方式
 	SessionMapping string // 第三方会话映射
+	ImTenantCode   string // IM租户代码
+	ImUserId       string // IM客服用户ID
+	ImUsername     string // IM客服登录名
 	Status         string // 状态
 	Sort           string // 排序
 	Remark         string // 备注
@@ -54,6 +57,9 @@ var customerServiceColumns = CustomerServiceColumns{
 	ServiceUrl:     "service_url",
 	BackupContact:  "backup_contact",
 	SessionMapping: "session_mapping",
+	ImTenantCode:   "im_tenant_code",
+	ImUserId:       "im_user_id",
+	ImUsername:     "im_username",
 	Status:         "status",
 	Sort:           "sort",
 	Remark:         "remark",