import sys
import os

# Ensure project root is in path
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

import ai_client

def test_token_usage_tracking() -> None:
 ai_client.reset_session()
 # Mock an API response with token usage
 # This would test the internal accumulator in ai_client
 pass