[
    {
        "id": 1,
        "from": "client",
        "text": "i need flexfuel conversion ecu not listed",
        "file_url": "",
        "timestamp": "2026-04-27T10:18:30+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "not avlailable for this ecu sorry",
        "file_url": "",
        "timestamp": "2026-04-27T10:29:32+02:00"
    }
]