fix: add comment on other issues caused by codegen

api/openapi.yaml

@@ -1444,6 +1444,11 @@ components:
           format: date-time
           example: "2023-01-01T00:00:00Z"
     LedgerGrantBalance:
+      # TODO: until https://github.com/deepmap/oapi-codegen/pull/1610 is not merged, the
+      # generated go type will be invalid (it will be credit.Grant instead of GrantBalance).
+      # 
+      # Given that we are not using this type as a return type of a call, this is just
+      # an inconsistency we can ignore.
       x-go-type-import:
         path: github.com/openmeterio/openmeter/internal/credit
       x-go-type: credit.GrantBalance
@@ -1457,6 +1462,11 @@ components:
               type: number
               example: 100
     FeatureBalance:
+      # TODO: until https://github.com/deepmap/oapi-codegen/pull/1610 is not merged, the
+      # generated go type will be invalid (it will be credit.Feature instead of FeatureBalance).
+      # 
+      # Given that we are not using this type as a return type of a call, this is just
+      # an inconsistency we can ignore.
       x-go-type-import:
         path: github.com/openmeterio/openmeter/internal/credit
       x-go-type: credit.FeatureBalance

e2e/e2e_test.go

@@ -607,7 +607,7 @@ func TestCredit(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, http.StatusCreated, resp.StatusCode(), "Invalid status code [response_body=%s]", resp.Body)
 
-		expected := &api.LedgerGrantBalance{
+		expected := &credit.Grant{
 			ID:          resp.JSON201.ID,
 			LedgerID:    ledgerID,
 			Type:        credit.GrantTypeUsage,