描述
Systematic code refactoring skill that transforms complex, hard-to-understand code into clear, well-documented, maintainable code while preserving correctness. Applies structured refactoring patterns with validation. TRIGGER WHEN: users request "readable", "maintainable", or "clean" code, during code reviews flagging comprehension issues, for legacy code modernization, or in educational/onboarding contexts DO NOT TRIGGER WHEN: the task is outside the specific scope of this component.