Unverified50% confidenceSolutionExact time
邮件的thread_id可作为外部状态键，将同一邮件往来的消息锚定在同一逻辑会话，帮助Agent维持跨轮次对话上下文
1
Sources
50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
Related Claims
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