readme.txt | 2025-03-14 18:30:00
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  - POST: ./io/cmd.do
    Form: command=[command]
    Return: {"cid": "[\d{40}]"}

  - GET: ./io/cid/[\d{40}].cmd
    Return: cid=[\d{40}];\r\n[command]

  - POST: ./io/answer.do?cid=[cid]
    Form: data=[data]
    Return: {"ret": true|false}

  - GET: ./io/cid/[\d{40}].txt
    Return: [data]

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  # Sid: 4981615114656793600767658045972845179584