[
    {
        "id": 1,
        "from": "client",
        "text": "Salut j'ai oublié de demandé dpf off l'autre jour",
        "file_url": "",
        "timestamp": "2026-05-31T12:42:23+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "ecu ?",
        "file_url": "",
        "timestamp": "2026-05-31T12:50:20+02:00"
    }
]