[
    {
        "id": 1,
        "from": "client",
        "text": "Bonjour, je veut faire lambda off P0420",
        "file_url": "",
        "timestamp": "2026-06-04T13:00:07+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "ecu non supporté desolé",
        "file_url": "",
        "timestamp": "2026-06-04T13:12:34+02:00"
    }
]