Individual skill
codebase-design
设计深度模块的共享词汇。当用户想要设计或改进模块的接口、寻找深化机会、决定 seam 的位置、让代码更可测试或更易被 AI 导航,或者其他 skill 需要深度模块词汇时使用。
skills/engineering/codebase-design/SKILL.md
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DEEPENING.mddoc · 2,388 bytesDESIGN-IT-TWICE.mddoc · 2,615 bytesSKILL.mdcore · 6,596 bytesagents/openai.yamlasset · 108 bytes
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# Codebase Design
设计 **深度模块(deep modules)**:一个小接口背后承载大量行为,放置在干净的 seam 处,通过该接口可测试。在设计和重构代码的任何地方,都使用这套语言和原则。目标是:对调用者而言是杠杆效应(leverage),对维护者而言是局部性(locality),对所有人而言是可测试性。
## 词汇表
精确使用以下术语 —— 不要替换为"组件"、"服务"、"API"或"边界"。使用一致的语言正是关键所在。
**Module(模块)** —— 任何具有接口和实现的东西。特意与规模无关:一个函数、类、包或跨层级切片。_避免使用_:单元、组件、服务。
**Interface(接口)** —— 调用者正确使用该模块所需知道的一切:类型签名,还包括不变性约束、顺序约束、错误模式、所需配置和性能特征。_避免使用_:API、签名(过于狭隘 —— 它们仅指类型层面的表面)。
**Implementation(实现)** —— 模块内部的内容,它的代码主体。与 **Adapter(适配器)** 不同:某个东西可以是一个小型适配器配大型实现(如 Postgres 仓库),也可以是一个大型适配器配小型实现(如内存中的假实现)。当讨论重点是 seam 时使用"adapter";否则使用"implementation"。