Peter contributed to the openwrt/packages repository by focusing on build system configuration and package management using Makefile. He stabilized Privoxy package versioning, introducing a PKG_REAL_VERSION variable to ensure accurate build directory naming and reliable release metadata, which improved build reproducibility and downstream CI integration. Additionally, Peter updated the Sing-box package to version 1.12.8, modifying the Makefile to reflect the new version, source URL, and hash, and verified compatibility with OpenWrt packaging standards. His work addressed both reliability and maintainability, demonstrating depth in build system workflows and package updates, while maintaining a clear focus on reproducibility and security.