DX Audit

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你需要知道新用户到底是怎么体验你产品的、而不是你的团队以为他们怎么体验的，它最有用。走一遍公开的上手路径——文档、安装、第一次 API 调用、第一条错误信息——给每一步计时。专抓那些沉默失败：文档里写了但实际不存在的功能、复制粘贴的命令在 macOS 跑不起来、默认配置 404。开发者面向产品发布前最值得跑一遍。内部工具别用它，不是为那个场景调的。

Best when you need to know how new users actually experience your product, not how your team thinks they do. Walks the public onboarding path — docs, install, first API call, first error message — and times each step. Catches the silent failures: docs promising a feature that doesn't exist yet, paste-this commands that don't run on macOS, default settings that 404. Strongest before a developer-facing launch. Skip it for internal-only tooling — that's not what it's tuned for.