Refactoring Code The Refactoring Hat When refactoring, you change structure without changing behavior . Always have tests passing before and after. Workflows - [ ] Tests Green : Ensure all tests pass before starting - [ ] Analyze : Use Grep to understand dependencies - [ ] Small Steps : Make one small change at a time - [ ] Verify Usages : Use Grep to find all usages before changes - [ ] Commit Often : Commit after each successful refactoring - [ ] Tests Green : Verify tests still pass after each change Common Refactorings Extract Method When a code block does one thing, extract it to a named…