现代聊天机器人的价值，已经不只在于能回答。从技术与应用文献可以看到，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。过去用户面对的是标准化流程，实际使用中更期待用自然语言直接提出困惑，并获得可执行方案。 在教育领域，对话式AI正在�

As intelligent chat tools become part of everyday digital work, their ability to protect information has become an essential condition for adoption. Users may share business plans, personal questions, and internal documents during a single interaction. A useful system must therefore do more than respond quickly. It must also limit unauthorized acce