[
    {
        "id": 1,
        "from": "client",
        "text": "possible dtc or lambda off ?",
        "file_url": "",
        "timestamp": "2026-05-13T10:23:05+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "bonjour , cet ecu n'est pas supporté désolé",
        "file_url": "",
        "timestamp": "2026-05-13T10:29:16+02:00"
    }
]