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刚从大公司跳到电商公司，第一次接到内部知识库需求。我的本能：LangChain + RAGFlow + 自建。同事的做法：开源 MCP + 飞书同步。我盯着屏幕自问——一行核心代码都没手写，这东西还算「我做的」吗？
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年度Review前夜的深夜独白。关于焦虑、孤独、VibeCoding带来的身份危机，以及在AI革命浪潮中一个普通程序员的迷茫与思考。