{
    "timestamp": "2026-08-24 12:27:39",
    "level": "INFO",
    "data": {
        "source": "DmGradingService",
        "event": "grading_started",
        "job_id": "9ee91c4f-7722-4d58-a865-2784dcf1c149",
        "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 exam_01.json'",
        "work_dir": "\/var\/www\/html\/lms_hocmai\/dm",
        "input_file": "exam_01.json"
    }
}
{
    "timestamp": "2026-08-24 12:27:40",
    "level": "ERROR",
    "data": {
        "source": "DmGradingService",
        "event": "grading_process_failed",
        "job_id": "9ee91c4f-7722-4d58-a865-2784dcf1c149",
        "exit_code": 1,
        "stderr": "",
        "stdout": ""
    }
}
{
    "timestamp": "2026-08-24 12:27:40",
    "level": "INFO",
    "data": {
        "source": "DmGradingService",
        "event": "callback_received",
        "job_id": "9ee91c4f-7722-4d58-a865-2784dcf1c149",
        "status": "failed",
        "input_file": "exam_01.json"
    }
}
{
    "timestamp": "2026-08-24 12:27:40",
    "level": "ERROR",
    "data": {
        "source": "DmGradingService",
        "event": "callback_failed",
        "url": "https:\/\/localhost\/api\/dm\/grade-exam\/completed",
        "error_message": "cURL error 60: SSL certificate problem: self signed certificate (see https:\/\/curl.haxx.se\/libcurl\/c\/libcurl-errors.html) for https:\/\/localhost\/api\/dm\/grade-exam\/completed"
    }
}