feat: Users API, ownership transfer and removal of the legacy role string

test/role_hardening_test.go

@@ -281,7 +281,7 @@ func TestGrantSetTypedDecisions(t *testing.T) {
 
 func TestBackfillCreatedByWithSoftDeletedArticle(t *testing.T) {
 	db := openMigratedRolesDB(t)
-	createUserRow(t, db, 3, "owner", nil)
+	createUserRow(t, db, 3, ownerIDPtr(t, db))
 	createArticleRow(t, db, 10, 0)
 	if err := db.Delete(&models.Article{}, 10).Error; err != nil {
 		t.Fatal(err)