feat(t239): persist freight item metadata

backend-api/internal/usecase/freight_service_test.go

@@ -33,6 +33,19 @@ func TestFreightNormalizationHashExcludesInternalIDs(t *testing.T) {
 			second.Orders[0].CanonicalSHA256,
 		)
 	}
+	changed := validFreightSource()
+	changedPrice := *changed.Orders[0].Items[0].OriginalUnitPriceMinor + 1
+	changed.Orders[0].Items[0].OriginalUnitPriceMinor = &changedPrice
+	changedBatch, err := firstService.normalize(changed)
+	if err != nil {
+		t.Fatalf("changed price normalize error = %v", err)
+	}
+	if first.Orders[0].CanonicalSHA256 ==
+		changedBatch.Orders[0].CanonicalSHA256 ||
+		first.Orders[0].Items[0].CanonicalSHA256 ==
+			changedBatch.Orders[0].Items[0].CanonicalSHA256 {
+		t.Fatal("canonical hash ignored original unit price")
+	}
 }
 
 func TestFreightNormalizationRejectsConflictingIdentityAndInvalidTime(
@@ -466,6 +479,7 @@ func validFreightSource() domain.FreightSourceBatch {
 	thumb := "190"
 	itemPurchaseStatus := "0"
 	quantity := 2
+	originalUnitPriceMinor := int64(12950)
 	canceled := false
 	return domain.FreightSourceBatch{
 		SchemaVersion: 1,
@@ -481,13 +495,15 @@ func validFreightSource() domain.FreightSourceBatch {
 			PurchaseStatus:  &purchaseStatus,
 			IsCanceled:      &canceled,
 			Items: []domain.FreightSourceItem{{
-				ExternalItemID:  "88",
-				Title:           "商品",
-				ProductSpec:     "黑色,L",
-				SKU:             "BLACK-L",
-				Quantity:        &quantity,
-				ProductThumbRef: &thumb,
-				PurchaseStatus:  &itemPurchaseStatus,
+				ExternalItemID:         "88",
+				Title:                  "商品",
+				ProductSpec:            "黑色,L",
+				SKU:                    "黑色,L",
+				Quantity:               &quantity,
+				ProductThumbRef:        &thumb,
+				OriginalUnitPriceMinor: &originalUnitPriceMinor,
+				OriginalCurrency:       domain.FreightCurrencyTWD,
+				PurchaseStatus:         &itemPurchaseStatus,
 			}},
 		}},
 	}