Revert purchase order

internal/transformer/purchase_order_transformer_test.go

@@ -12,19 +12,15 @@ import (
 )
 
 func TestCreatePurchaseOrderRequestToModelAllowsMissingDueDate(t *testing.T) {
-	ingredientID := uuid.New()
-	quantity := 1.0
-	unitID := uuid.New()
-
 	result, err := CreatePurchaseOrderRequestToModel(&contract.CreatePurchaseOrderRequest{
 		VendorID:        uuid.New(),
 		PONumber:        "PO-001",
 		TransactionDate: "2026-05-29",
 		Items: []contract.CreatePurchaseOrderItemRequest{
 			{
-				IngredientID: &ingredientID,
-				Quantity:     &quantity,
-				UnitID:       &unitID,
+				IngredientID: uuid.New(),
+				Quantity:     1,
+				UnitID:       uuid.New(),
 				Amount:       1000,
 			},
 		},