现代聊天机器人的价值，已经正在超越会聊天。从三类资料可以看到，它一端连接自然语言处理，另一端进入健康管理等高频场景。过去用户面对的是固定菜单，如今更期待用自然语言直接提出问题，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导�

As smart dialogue systems handle increasingly important tasks, their ability to protect information has become a major operational concern. Users may share financial details, medical information, and confidential files during a single interaction. A useful system must therefore do more than automate routine communication. It must also limit unautho