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在我的项目中,我为一对一聊天实现了 Twilio,用户可以从移动应用程序发起聊天,操作员将从 Web 应用程序响应。
因此,如果用户和操作员之间正在进行聊天并且突然用户关闭了聊天,那么操作员将如何知道用户已经离开聊天,反之亦然?