Over a two-month period, contributed to both the dmjio/bun and huggingface/huggingface.js repositories by delivering targeted feature enhancements focused on developer experience and automation. In the Bun project, improved documentation clarity around the --no-clear-screen flag, aligning guidance with runtime hot module replacement behavior and providing practical usage examples for multi-watch workflows. For huggingface.js, enhanced the listModels API by introducing a derived filePaths field and supporting ONNX dtype inference, which improved model asset discoverability and metadata accuracy. Work involved TypeScript, Markdown, and unit testing, emphasizing maintainable code, precise documentation, and robust API design without addressing bug fixes.