Contact memory and interaction log. Remembers callers across calls, stores personal context, and logs every conversation. Use when looking up a contact, adding notes about someone, or reviewing interaction history.

联系人记忆与交互日志。跨通话记住来电者，存储个人上下文，并记录每次对话。用于查询联系人、添加备注或回顾交互历史。