[
    {
        "id": 1,
        "from": "client",
        "text": "bonjour. j'ai besoin d'un EGR off sid803 pas sid803A car dans les choix en haut y a que 803a.merci",
        "file_url": "",
        "timestamp": "2026-05-06T12:55:21+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "en cours...",
        "file_url": "",
        "timestamp": "2026-05-06T13:05:17+02:00"
    },
    {
        "id": 3,
        "from": "admin",
        "text": "fichier incorrecte",
        "file_url": "",
        "timestamp": "2026-05-06T13:56:50+02:00"
    },
    {
        "id": 4,
        "from": "admin",
        "text": "SVP VOUS POURVEZ ME DIRE ce fichier vient qui?",
        "file_url": "",
        "timestamp": "2026-05-06T14:34:51+02:00"
    }
]