[
    {
        "id": 1,
        "from": "client",
        "text": "EGR LAMBDA",
        "file_url": "",
        "timestamp": "2026-04-29T15:55:36+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "ecu non supporté",
        "file_url": "",
        "timestamp": "2026-04-29T16:04:35+02:00"
    }
]