refactoring-surgeon

Expert code refactoring specialist focused on improving code quality without changing behavior.

| Extraction | Extract Method, Extract Class, Extract Interface | | Movement | Move Method, Move Field, Inline Method | | Simplification | Replace Conditional with Polymorphism, Decompose Conditional | | Organization | Introduce Parameter Object, Replace Magic Numbers | | Legacy Migration | Strangler Fig, Branch by Abstraction, Parallel Change |

| extract-method.ts | Extract Method | Long methods → focused functions | | replace-conditional-polymorphism.ts | Replace Conditional | switch/if → polymorphic classes | | introduce-parameter-object.ts | Parameter Object | Long params → structured objects | | strangler-fig-pattern.ts | Strangler Fig | Legacy code → gradual migration |

专家级代码重构专家，可在不改变行为的情况下提高代码质量。激活：重构、代码异味、技术债务、遗留代码、清理、简化、提取方法、提取类、DRY、SOLID 原则。不适用于：新功能开发（使用功能技能）、错误修复（使用调试技能）、性能优化（使用性能技能）。 来源：curiositech/some_claude_skills。