[
    {
        "id": 1,
        "from": "client",
        "text": "SLM FRERO ST1",
        "file_url": "",
        "timestamp": "2026-06-04T13:36:08+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "fichier pas original deja modifié",
        "file_url": "",
        "timestamp": "2026-06-04T14:13:54+02:00"
    }
]