新增订单群聊

backend/internal/modules/order/repository.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"hfb_sys/backend/internal/model"
+	"hfb_sys/backend/internal/modules/chat"
 	"hfb_sys/backend/internal/modules/notification"
 	"hfb_sys/backend/internal/modules/wallet"
 
@@ -237,6 +238,9 @@ func (r *Repository) Pay(userID uint64, orderID uint64) error {
 		order.HandoffStatus = "pending_owner"
 		listing.Status = "rented"
 		account.Status = "rented"
+		if _, err := chat.EnsureOrderConversation(tx, order); err != nil {
+			return err
+		}
 		orderID := order.ID
 		if err := notification.Append(tx,
 			notification.Entry{