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      <title>LLM记忆层在生产中静默失败：检索漂移无人察觉</title>
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      <description>代理的记忆层不会抛出错误，它返回三个看似合理的文本块，模型自信地基于它们给出回答，而一周内无人察觉。检索质量悄然漂移，所有仪表盘却始终保持绿灯，这是 LLM 记忆在生产中真正的失效模式。 生产环境中的 LLM 代理依赖记忆层来提供上下文，但这个层面的故障往往不发出任何警报。系统继续运行，用户得到回</description>
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