[
    {
        "id": 1,
        "from": "client",
        "text": "bonjour , j'aurais besoin du dtc p0411 off svpmerci",
        "file_url": "",
        "timestamp": "2026-05-19T14:36:04+02:00"
    },
    {
        "id": 2,
        "from": "client",
        "text": "siemens mss54",
        "file_url": "",
        "timestamp": "2026-05-19T14:36:47+02:00"
    },
    {
        "id": 3,
        "from": "admin",
        "text": "bonjour cet ecu n est pas supporté desolé",
        "file_url": "",
        "timestamp": "2026-05-19T14:41:17+02:00"
    }
]