fix: mark test_large_query_performance as integration test

- This test creates SwaraClient() and calls single_query() which requires authentication
- Would cause CI to hang at 61% when trying to authenticate to live server

Author: jon-myers

idtap/tests/query_integration_test.py

@@ -331,6 +331,7 @@ def test_query_result_serialization(self, client):
 class TestQueryPerformance:
     """Test query performance with real data."""
 
+    @pytest.mark.integration
     def test_large_query_performance(self, client=None):
         """Test performance of queries on real transcription."""
         if client is None: