Scope If the user specified files or directories, review those. If not, ask what they'd like you to review before proceeding. Goal Make this code trivially easy to pick up cold. Someone opening this file in six months should understand what it does in seconds. All changes should preserve the original functionality and behavior. What to look for Read the target code carefully, then apply these passes in order. Make changes directly — don't list suggestions. 1. Flatten control flow Nested conditionals are the single biggest readability killer. Flatten them. - Convert if/else chains to early ret…