Suzanne Hamilton focused on improving maintainability and reliability across the opensafely-core/ehrql and opensafely-core/airlock repositories by addressing non-functional issues. She removed obsolete test commands from build automation scripts using Shell, aligning the continuous integration process with the current repository structure and reducing potential for flaky tests. In addition, Suzanne enhanced documentation written in Markdown, correcting errors and clarifying user-facing instructions to support better onboarding and communication. Her work emphasized code cleanup and documentation quality, resulting in reduced maintenance overhead and improved user trust. These targeted improvements demonstrated attention to detail and a methodical approach to supporting robust development workflows.