Worked on reliability and maintainability improvements across the ghostty-org/ghostty and canonical/snapcraft repositories, focusing on targeted bug fixes. Addressed startup stability in the Ghostty Snap launcher by refining shell scripting to handle missing files gracefully, ensuring robust cross-shell compatibility and preventing premature process exits. In the Snapcraft GPU extension, removed redundant XErrorDB layout management as it became part of core26, streamlining installation and reducing duplication for downstream users. Leveraged Linux administration, Python development, and shell scripting skills to deliver these changes, with an emphasis on unit testing and deployment reliability. The work enhanced user experience and simplified release engineering processes.