<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Ivan520707的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Ivan520707</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Ivan520707]]></copyright><item><title><![CDATA[从 Prompt 到 Context，再到 Harness：AI Agent 工程的真正分水岭]]></title><link>https://blog.youkuaiyun.com/Ivan520707/article/details/159510010</link><guid>https://blog.youkuaiyun.com/Ivan520707/article/details/159510010</guid><author>Ivan520707</author><pubDate>Thu, 26 Mar 2026 16:21:10 +0800</pubDate><description><![CDATA[AI工程正经历从Prompt Engineering到Context Engineering再到Harness Engineering的演进。Prompt Engineering优化单次指令，Context Engineering动态构建决策上下文（如RAG技术），而Harness Engineering则构建完整的控制系统，管理Agent的持续运行，包括编排、约束和反馈循环。随着AI应用复杂度提升，工程重心从&quot;写好提示词&quot;转向设计可持续的工作环境，模型外的运行系统成为关键竞争力。]]></description><category></category></item></channel></rss>