Agents & Systems
Multi-agent design, memory, orchestration. What I think when I build.
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情景记忆，以及为什么大多数 RAG 是健忘的
RAG 记得说过什么。情景记忆记得发生过什么。两者的差别决定了你的系统 能否**学习** —— 还是只能复读。一周内给一个只有 RAG 的系统加上情景 记忆的菜谱。
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大多数人忽略的 Agent 系统的五层结构
人人都把"LLM 加几个工具"叫做 agent。这个词背后藏了太多东西。我把它拆成 五层，每层缺位时的症状写在旁边，结尾给一个 30 秒电梯版。
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Memory Is the Foundation, Not the Feature
Most AI products treat memory as a feature you sprinkle on. The good ones treat it as the substrate. Six things a real memory layer needs that "vector store + RAG" does not give you.
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The Persona–Specialist Split
Most "multi-agent" systems collapse two roles into one and end up with agents that are both bad at thinking and bad at doing. The split is worth ten frameworks.