[
    {
        "id": 1,
        "from": "client",
        "text": "Bonjour, pouvez vous me faire un STG1?Merci",
        "file_url": "",
        "timestamp": "2026-05-12T13:37:36+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "pourquoi pous selectionnez pas le systeme ecu?",
        "file_url": "",
        "timestamp": "2026-05-12T13:39:56+02:00"
    },
    {
        "id": 3,
        "from": "admin",
        "text": "stage 1",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260512_133736_F916CC&f=SOL_20260512_135714_Stage_1__ORG_LECTURE_ORI_IntFl.bin",
        "timestamp": "2026-05-12T13:57:14+02:00"
    }
]