feat(BE): add items field to TransferDeliveryDTO in ToTransferDetailDTO function

internal/modules/inventory/transfers/dto/transfer.dto.go

@@ -235,6 +235,15 @@ func ToTransferDetailDTO(e entity.StockTransfer) TransferDetailDTO {
 
 	var deliveries []TransferDeliveryDTO
 	for _, del := range e.Deliveries {
+		var items []TransferDeliveryItemDTO
+		for _, item := range del.Items {
+			items = append(items, TransferDeliveryItemDTO{
+				Id:                    item.Id,
+				StockTransferDetailId: item.StockTransferDetailId,
+				Quantity:              item.Quantity,
+			})
+		}
+
 		var document *DocumentDTO
 		if len(del.Documents) > 0 {
 			doc := del.Documents[0] // Take first document
@@ -258,6 +267,7 @@ func ToTransferDetailDTO(e entity.StockTransfer) TransferDetailDTO {
 			DocumentNumber:    del.DocumentNumber,
 			ShippingCostItem:  del.ShippingCostItem,
 			ShippingCostTotal: del.ShippingCostTotal,
+			Items:             items,
 			Document:          document,
 		})
 	}