diff --git a/backend/internal/service/account_test_service_openai_test.go b/backend/internal/service/account_test_service_openai_test.go
index 12d8128a..c1e42b4f 100644
--- a/backend/internal/service/account_test_service_openai_test.go
+++ b/backend/internal/service/account_test_service_openai_test.go
@@ -180,7 +180,7 @@ func TestAccountTestService_OpenAI429BodyOnlyPersistsRateLimitAndClearsStaleErro
 		Credentials:  map[string]any{"access_token": "test-token"},
 	}
 
-	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4")
+	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "")
 	require.Error(t, err)
 	require.Equal(t, account.ID, repo.rateLimitedID)
 	require.NotNil(t, repo.rateLimitedAt)
@@ -209,7 +209,7 @@ func TestAccountTestService_OpenAI429ActiveAccountDoesNotClearError(t *testing.T
 		Credentials: map[string]any{"access_token": "test-token"},
 	}
 
-	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4")
+	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "")
 	require.Error(t, err)
 	require.Equal(t, account.ID, repo.rateLimitedID)
 	require.NotNil(t, repo.rateLimitedAt)
@@ -237,7 +237,7 @@ func TestAccountTestService_OpenAI429WithoutResetSignalDoesNotMutateRuntimeState
 		Credentials:  map[string]any{"access_token": "test-token"},
 	}
 
-	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4")
+	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "")
 	require.Error(t, err)
 	require.Zero(t, repo.rateLimitedID)
 	require.Nil(t, repo.rateLimitedAt)
@@ -265,7 +265,7 @@ func TestAccountTestService_OpenAI401SetsPermanentErrorOnly(t *testing.T) {
 		Credentials: map[string]any{"access_token": "test-token"},
 	}
 
-	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4")
+	err := svc.testOpenAIAccountConnection(ctx, account, "gpt-5.4", "")
 	require.Error(t, err)
 	require.Equal(t, account.ID, repo.setErrorID)
 	require.Contains(t, repo.setErrorMsg, "Authentication failed (401)")