{
    "timestamp": "2026-10-05 17:06:09",
    "level": "INFO",
    "data": {
        "source": "DmGradingService",
        "event": "grading_started",
        "job_id": "2",
        "dm_binary": "\/root\/.nvm\/versions\/node\/v22.23.2\/bin\/dm",
        "command": "'\/root\/.nvm\/versions\/node\/v22.23.2\/bin\/dm' '--model' 'lite' '--provider' 'duckmind' '--print' 'Read AGENTS.md and grade hub_grading_2.json'",
        "work_dir": "\/var\/www\/html\/lms_hocmai\/dm",
        "input_file": "hub_grading_2.json"
    }
}
{
    "timestamp": "2026-10-05 17:06:10",
    "level": "ERROR",
    "data": {
        "source": "DmGradingService",
        "event": "grading_process_failed",
        "job_id": "2",
        "exit_code": 1,
        "stderr": "",
        "stdout": ""
    }
}