[
    {
        "id": 1,
        "from": "admin",
        "text": "en cours ...",
        "file_url": "",
        "timestamp": "2026-05-11T10:46:41+02:00"
    },
    {
        "id": 2,
        "from": "admin",
        "text": "la solution a ete ajoutée sur le serveur",
        "file_url": "",
        "timestamp": "2026-05-11T13:01:08+02:00"
    },
    {
        "id": 3,
        "from": "admin",
        "text": "vous pouvez faire stage 1 desormais sur oct merci",
        "file_url": "",
        "timestamp": "2026-05-11T13:01:32+02:00"
    },
    {
        "id": 4,
        "from": "admin",
        "text": "stage 1",
        "file_url": "https:\/\/1clicktune.com\/download.php?t=T20260510_231302_A6A2CC&f=SOL_20260511_131609_OCTv3_Citro__n_EDC16C34_ORG_ecu_psa_16C34_ori_ExtFl__3___NoChk_.bin.bin",
        "timestamp": "2026-05-11T13:16:09+02:00"
    }
]