feat(t239): persist freight item metadata

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

@@ -150,15 +150,17 @@ type FreightOrder struct {
 }
 
 type FreightOrderItem struct {
-	ID              string
-	ExternalItemID  string
-	Title           string
-	ProductSpec     string
-	SKU             string
-	Quantity        int
-	ProductThumbRef string
-	PurchaseStatus  string
-	Revision        int
+	ID                     string
+	ExternalItemID         string
+	Title                  string
+	ProductSpec            string
+	SKU                    string
+	Quantity               int
+	ProductThumbRef        string
+	OriginalUnitPriceMinor *int64
+	OriginalCurrency       string
+	PurchaseStatus         string
+	Revision               int
 }
 
 type FreightOrderDetail struct {

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

@@ -160,14 +160,16 @@ func (adapter *UsecaseAdapter) GetFreightOrder(
 	items := make([]FreightItemReview, 0, len(detail.Items))
 	for _, item := range detail.Items {
 		view := FreightOrderItem{
-			ID:              item.ID,
-			ExternalItemID:  item.ExternalItemID,
-			Title:           item.Title,
-			ProductSpec:     item.ProductSpec,
-			SKU:             item.SKU,
-			ProductThumbRef: stringValue(item.ProductThumbRef),
-			PurchaseStatus:  stringValue(item.PurchaseStatus),
-			Revision:        item.Revision,
+			ID:                     item.ID,
+			ExternalItemID:         item.ExternalItemID,
+			Title:                  item.Title,
+			ProductSpec:            item.ProductSpec,
+			SKU:                    item.SKU,
+			ProductThumbRef:        stringValue(item.ProductThumbRef),
+			OriginalUnitPriceMinor: item.OriginalUnitPriceMinor,
+			OriginalCurrency:       item.OriginalCurrency,
+			PurchaseStatus:         stringValue(item.PurchaseStatus),
+			Revision:               item.Revision,
 		}
 		if item.Quantity != nil {
 			view.Quantity = *item.Quantity