feat(orders): 号主可从自己的列表隐藏已结束订单

只写入隐藏时间，订单和款项仍保留给租客与后台。详情按钮固定对齐，删除跟在后面。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/internal/modules/order/handler_error.go

@@ -30,6 +30,8 @@ func writeOrderError(c *gin.Context, err error) {
 		response.Error(c, http.StatusConflict, "order_cannot_pay", "当前订单不能支付")
 	case errors.Is(err, ErrOrderCannotCancel):
 		response.Error(c, http.StatusConflict, "order_cannot_cancel", "当前订单不能取消")
+	case errors.Is(err, ErrOrderCannotHide):
+		response.Error(c, http.StatusConflict, "order_cannot_hide", "只有已结束且款项处理完毕的订单可以删除")
 	case errors.Is(err, ErrOrderCannotHandoff):
 		response.Error(c, http.StatusConflict, "order_cannot_handoff", "当前订单不能交接")
 	case errors.Is(err, ErrOrderCannotForceHandoff):