Refactoring Assistant | 重構助手

Guide refactoring decisions, recommend strategies, and provide step-by-step execution workflows.

引導重構決策、推薦策略，並提供逐步執行工作流程。

Usage | 使用方式

Command	Purpose	用途
`/refactor`	Start interactive refactoring guide	啟動互動式重構引導
`/refactor decide`	Run refactor vs. rewrite decision tree	執行重構 vs 重寫決策樹
`/refactor tactical`	Suggest tactical (daily) strategies	建議戰術性（日常）策略
`/refactor strategic`	Guide strategic/architectural refactoring	引導戰略性/架構重構
`/refactor legacy`	Legacy code safety strategies	遺留程式碼安全策略
`/refactor debt`	Technical debt assessment	技術債評估