During April 2025, Bukinoshita focused on improving repository hygiene for the resend/react-email project by excluding the benchmarks folder from version control. This change, implemented through disciplined Git practices and careful .gitignore management, aimed to reduce unnecessary noise in the codebase and streamline the review process. By isolating non-source artifacts, Bukinoshita enabled faster code reviews and clearer project history, which supports more reliable feature development and easier onboarding for new contributors. The work demonstrated a strong understanding of Git and version control principles, resulting in a cleaner, more maintainable repository structure without introducing new features or bug fixes.