[
    {
        "id": 1,
        "from": "client",
        "text": "Salam alikoum,dtc off P1701",
        "file_url": "",
        "timestamp": "2026-05-04T12:31:23+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "wa3likom salam veuiller envoyer la flash (micro) pas l eeprom",
        "file_url": "",
        "timestamp": "2026-05-04T12:41:23+02:00"
    }
]