[
    {
        "id": 1,
        "from": "client",
        "text": "jai fait une faute f system ; c une edc16U1",
        "file_url": "",
        "timestamp": "2026-05-05T17:09:48+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "vous avez la reponse",
        "file_url": "",
        "timestamp": "2026-05-05T17:14:44+02:00"
    }
]