<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>implementation on YennJ12 Engineering Blog</title><link>https://yennj12.js.org/yennj12_blog_V4/categories/implementation/</link><description>Recent content in implementation on YennJ12 Engineering Blog</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><lastBuildDate>Sat, 11 Apr 2026 10:00:00 +0800</lastBuildDate><atom:link href="https://yennj12.js.org/yennj12_blog_V4/categories/implementation/feed.xml" rel="self" type="application/rss+xml"/><item><title>LangGraph AI 後端核心代碼實現：生產級代碼範本</title><link>https://yennj12.js.org/yennj12_blog_V4/posts/langgraph-ai-backend-core-code-zh/</link><pubDate>Sat, 11 Apr 2026 10:00:00 +0800</pubDate><guid>https://yennj12.js.org/yennj12_blog_V4/posts/langgraph-ai-backend-core-code-zh/</guid><description>提供可直接用於生產環境的 LangGraph AI 後端核心代碼實現，包括完整的 FastAPI 集成、持久化層、錯誤處理、監控日誌等，幫助開發者快速構建產品級應用。</description></item></channel></rss>