feat(t240): cache freight item images

backend-api/internal/transport/webui/types.go

@@ -159,6 +159,9 @@ type FreightOrderItem struct {
 	ProductThumbRef        string
 	OriginalUnitPriceMinor *int64
 	OriginalCurrency       string
+	ImageStatus            string
+	ImageErrorCode         string
+	ImageURL               string
 	PurchaseStatus         string
 	Revision               int
 }

backend-api/internal/transport/webui/usecase_adapter.go

@@ -168,12 +168,17 @@ func (adapter *UsecaseAdapter) GetFreightOrder(
 			ProductThumbRef:        stringValue(item.ProductThumbRef),
 			OriginalUnitPriceMinor: item.OriginalUnitPriceMinor,
 			OriginalCurrency:       item.OriginalCurrency,
+			ImageStatus:            string(item.ImageStatus),
+			ImageErrorCode:         stringValue(item.ImageErrorCode),
 			PurchaseStatus:         stringValue(item.PurchaseStatus),
 			Revision:               item.Revision,
 		}
 		if item.Quantity != nil {
 			view.Quantity = *item.Quantity
 		}
+		if item.ImageStatus == domain.FreightItemImageReady {
+			view.ImageURL = "/api/v1/freight-items/" + item.ID + "/image"
+		}
 		review := FreightItemReview{Item: view}
 		if request, exists := requestByItem[item.ID]; exists {
 			requestView := procurementRequestFrom(request)