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项目是什么、给谁用、依赖什么"]}],["$","li",null,{"children":[["$","strong",null,{"children":"看目录结构"}],":分层方式暴露架构风格(MVC / 分层 / 模块化),找出核心域目录"]}],["$","li",null,{"children":[["$","strong",null,{"children":"找入口文件"}],":",["$","code",null,{"children":"main"}],"/",["$","code",null,{"children":"app"}],"/",["$","code",null,{"children":"index"}],",追启动流程,看系统初始化了什么"]}],["$","li",null,{"children":[["$","strong",null,{"children":"读配置"}],":环境变量和配置项 = 系统能力清单 + 外部依赖清单"]}]]}] 24:["$","hr",null,{}] 25:["$","h2",null,{"className":"content-header","id":"阶段二架构建模半天","children":[["$","a",null,{"className":"break-words","href":"#阶段二架构建模半天","aria-hidden":"true","tabIndex":"-1","children":["$","span",null,{"className":"content-header-link","children":["$","svg",null,{"className":"h-5 linkicon w-5","fill":"currentColor","viewBox":"0 0 20 20","xmlns":"http://www.w3.org/2000/svg","children":[["$","path",null,{"d":"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 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29:["$","h2",null,{"className":"content-header","id":"阶段三运行验证半天","children":[["$","a",null,{"className":"break-words","href":"#阶段三运行验证半天","aria-hidden":"true","tabIndex":"-1","children":["$","span",null,{"className":"content-header-link","children":["$","svg",null,{"className":"h-5 linkicon w-5","fill":"currentColor","viewBox":"0 0 20 20","xmlns":"http://www.w3.org/2000/svg","children":[["$","path",null,{"d":"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z"}],["$","path",null,{"d":"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z"}]]}]}]}],"阶段三:运行验证(半天)"]}] 2a:["$","p",null,{"children":"目标:用实践固化认知。"}] 2b:["$","ol",null,{"start":"8","children":[["$","li",null,{"children":[["$","strong",null,{"children":"跑起来"}],":跑不通的项目建立不了真实认知"]}],["$","li",null,{"children":[["$","strong",null,{"children":"改点东西"}],":修个小 bug 或加个小功能——实践是认知固化最快的方式,",["$","strong",null,{"children":"读十遍不如改一遍"}]]}]]}] 2c:["$","hr",null,{}] 2d:["$","h2",null,{"className":"content-header","id":"阶段四持续深化","children":[["$","a",null,{"className":"break-words","href":"#阶段四持续深化","aria-hidden":"true","tabIndex":"-1","children":["$","span",null,{"className":"content-header-link","children":["$","svg",null,{"className":"h-5 linkicon w-5","fill":"currentColor","viewBox":"0 0 20 20","xmlns":"http://www.w3.org/2000/svg","children":[["$","path",null,{"d":"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z"}],["$","path",null,{"d":"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 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3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z"}],["$","path",null,{"d":"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z"}]]}]}]}],"关键原则"]}] 32:["$","ul",null,{"children":[["$","li",null,{"children":[["$","strong",null,{"children":"先全局后细节"}],":避免一上来扎进某个函数"]}],["$","li",null,{"children":["$","strong",null,{"children":"读代码产生假设,用运行时行为验证假设"}]}],["$","li",null,{"children":[["$","strong",null,{"children":"能画出来、讲出来才算真懂"}],":输出倒逼输入"]}]]}] 33:["$","hr",null,{}] 34:["$","h2",null,{"className":"content-header","id":"技能栈覆盖","children":[["$","a",null,{"className":"break-words","href":"#技能栈覆盖","aria-hidden":"true","tabIndex":"-1","children":["$","span",null,{"className":"content-header-link","children":["$","svg",null,{"className":"h-5 linkicon w-5","fill":"currentColor","viewBox":"0 0 20 20","xmlns":"http://www.w3.org/2000/svg","children":[["$","path",null,{"d":"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z"}],["$","path",null,{"d":"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z"}]]}]}]}],"技能栈覆盖"]}] 35:["$","p",null,{"children":"我现在的技能栈正好覆盖全流程:"}] 36:["$","$L3b",null,{"className":"language-js","children":["$","code",null,{"className":"language-js code-highlight","children":["$","span",null,{"className":"code-line","children":["zoom",["$","span",null,{"className":"token operator","children":"-"}],"out 宏观视角 → archify 画架构图 → ",["$","span",null,{"className":"token maybe-class-name","children":"SearchCodebase"}]," 语义检索 → qmd 沉淀\n"]}]}]}] 37:["$","p",null,{"children":"这套流程的核心价值在于:把\"接手陌生项目\"从一件靠悟性的事,变成了一件有章可循、可复用的工程动作。"}] 38:["$","div",null,{"className":"pt-6 pb-6 text-sm text-gray-700 dark:text-gray-300","children":[["$","a",null,{"className":"break-words","target":"_blank","rel":"nofollow","href":"https://mobile.twitter.com/search?q=https%3A%2F%2Ftechlog-18328.app.workbuddy.host%2Fblog%2Fonboarding-project-deep-understanding","children":"Discuss on Twitter"}]," • ",["$","a",null,{"className":"break-words","target":"_blank","rel":"noopener noreferrer","href":"https://github.com/joker1point/techlog/blob/main/data/blog/onboarding-project-deep-understanding.mdx","children":"View on GitHub"}]]}] 39:["$","div",null,{"className":"pt-6 pb-6 text-center text-gray-700 dark:text-gray-300","id":"comment","children":["$","$L3c",null,{"slug":"onboarding-project-deep-understanding"}]}] 3a:["$","footer",null,{"children":[["$","div",null,{"className":"divide-gray-200 text-sm leading-5 font-medium xl:col-start-1 xl:row-start-2 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hover:text-primary-600 dark:hover:text-primary-400","children":["$","$L5",null,{"className":"break-words","href":"/blog/billing-safety-retry-state-machine.html","children":"成本治理:付费 API 的计费安全与双重试状态机设计"}]}]]}]]}]]}],["$","div",null,{"className":"pt-4 xl:pt-8","children":["$","$L5",null,{"className":"text-primary-500 hover:text-primary-600 dark:hover:text-primary-400","href":"/blog.html","aria-label":"Back to the blog","children":"← Back to the blog"}]}]]}] 1b:[["$","meta","0",{"charSet":"utf-8"}],["$","meta","1",{"name":"viewport","content":"width=device-width, initial-scale=1"}]] 17:null 19:{"metadata":[["$","title","0",{"children":"如何快速接手一个项目并构建深度项目认知 | TechLog"}],["$","meta","1",{"name":"description","content":"接手陌生项目的四阶段方法论:宏观定向(1-2小时)→ 架构建模(半天)→ 运行验证(半天)→ 持续深化。12 个可执行步骤,配合 agent 技能栈实现认知加速。"}],["$","meta","2",{"name":"robots","content":"index, follow"}],["$","meta","3",{"name":"googlebot","content":"index, follow, max-video-preview:-1, max-image-preview:large, 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