[
    {
        "id": 1,
        "from": "client",
        "text": "Salamj'ai essayé de calculer CS et power class pour ecu Simos 18.1 mais sans succés",
        "file_url": "",
        "timestamp": "2026-05-03T14:09:29+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "mcu id",
        "file_url": "",
        "timestamp": "2026-05-03T14:23:51+02:00"
    }
]