refactoring-surgeon

SKILL.md

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 |

專家級代碼重構專家，可在不改變行為的情況下提高代碼質量。激活：重構、代碼異味、技術債務、遺留代碼、清理、簡化、提取方法、提取類、DRY、SOLID 原則。不適用於：新功能開發（使用功能技能）、錯誤修復（使用調試技能）、性能優化（使用性能技能）。 來源：erichowens/some_claude_skills。

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