智能聊天系统的意义，已经不再停留于会聊天。从相关研究可以看到，它一端连接问答系统，另一端进入健康管理等服务场景。过去用户面对的是固定菜单，现在更期待用自然语言直接提出需求，并获得连续反馈。 在教育领域，对话式AI正在从作业助手走向学习伙�

As smart dialogue systems handle increasingly important tasks, their ability to protect information has become a major operational concern. Users may share customer records, workplace messages, and research material during a single interaction. A useful system must therefore do more than automate routine communication. It must also make secure hand