Worked on stabilizing build and deployment processes across yuwata/systemd and ublue-os/bluefin-docs, focusing on reliability and error reduction. In yuwata/systemd, implemented Meson-based gating logic to ensure XML index generation only occurs when the lxml library is available, preventing build failures and refining documentation installation to reduce installer errors. For ublue-os/bluefin-docs, restored repository stability by rolling back recent changes to GitHub API error handling and release synchronization, maintaining a consistent release pipeline and minimizing deployment risks. Utilized Shell scripting, Markdown, and build system configuration skills to address bugs, enhance error handling, and improve CI/CD reliability without introducing new features.