[ [ 'name' => 'station_id', 'label' => '线站ID', 'description' => '终端所在的线站标识,由HMI从 /config 接口获取', 'example' => 'BL02U1', 'source' => 'KMS /config', 'replaced_by' => 'HMI', ], [ 'name' => 'user', 'label' => '用户名称', 'description' => '当前登录用户的姓名,由HMI从登录信息或固定值获取', 'example' => '张三', 'source' => '登录信息或固定值', 'replaced_by' => 'HMI', ], [ 'name' => 'time', 'label' => '当前时间', 'description' => '当前的日期和时间,由HMI通过 QDateTime::currentDateTime() 获取', 'example' => '2026-03-23 14:30:00', 'source' => 'QDateTime::currentDateTime()', 'replaced_by' => 'HMI', ], ], ];