import pytest
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_history_truncation_logic():
    ai_client.reset_session()
    ai_client.history_trunc_limit = 50
    # Add history and verify it gets truncated when it exceeds limit
    pass