CodeRefactor CLI — GPT-Powered Code Improvement Tool

## What It Does CLI tool that sends any source file to GPT-4o and returns an improved version with a colored diff and CHANGES.md explaining every decision. ## Refactor Modes - `--mode clean` — remove dead code, fix naming, improve readability - `--mode document` — add docstrings, inline comments, type hints - `--mode performance` — optimize loops, DB queries, memory usage - `--mode security` — flag and fix common vulnerabilities - `--mode all` — run all modes in sequence ## Requirements - Python 3.10+ - `pip install openai click rich diff-match-patch` - OpenAI API key ## How to Use ```bash python coderefactor.py myapp/utils.py --mode clean --preview python coderefactor.py myapp/utils.py --mode clean --apply ``` Cost: ~$0.01–0.03 per 200-line file with GPT-4o-mini.