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2026年的 ReAct Agent架构解析:原生 Tool Calling 与 LangGraph 状态机
ReAct(Reason + Act)架构要解决的问题是开放式研究里最经典的问题。本文要做的是一个 Research Brief Agent:会上网搜索、抓取真实 URL、压缩证据,最终产出一份带真实引用的结构化简报。重点不在于功能,而在于 正确写法——不再依赖那种脆弱的 "Thought: / Action ...
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