新一代AI助手的意义，已经不再停留于能生成文字。从三类资料可以看到，它一端连接问答系统，另一端进入公共服务等服务场景。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目标，并获得个性化建议。 在教育领域，对话式AI正在从答疑工具走向�

As AI chat assistants move into mainstream use, their ability to protect information has become a major operational concern. Users may share private conversations, project data, and professional knowledge during a single interaction. A useful system must therefore do more than produce fluent answers. It must also make secure handling verifiable. In