{"action":"start_backtest","run_id":"run-0001","run_status":"pending","scenario":"backtest_result_summary","status":"ok","step":"start","type":"step"}
{"action":"get_backtest_result","ending_equity":"1125000","run_id":"run-0001","scenario":"backtest_result_summary","starting_cash":"1000000","status":"ok","step":"result","total_return":"0.125","trade_count":12,"type":"step"}
{"exit_code":0,"passed":2,"scenario":"backtest_result_summary","status":"ok","steps":2,"type":"summary"}