[
    {
        "id": 1,
        "from": "client",
        "text": "CALCULATEUR MANQUANT,DEJA FAIT STAGE 1.jE VOUS DONNE LA SOLUTION ;)",
        "file_url": "",
        "timestamp": "2026-05-10T22:34:29+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "merci beaucoup",
        "file_url": "",
        "timestamp": "2026-05-11T10:06:57+02:00"
    }
]