Worked on the SAP/jmc repository to stabilize continuous integration for macOS GitHub Actions by addressing JDP test failures related to network privacy restrictions and updating compatibility to JMC 10.0.0. Improved test reliability and diagnostics by enhancing error reporting, including the most common stack trace frames in exception rules. Delivered front end improvements by refining HTML report formatting, replacing manual line breaks and bullet points with proper HTML entities for better readability. Utilized Java, Groovy, and CI/CD practices to reduce CI flakiness, accelerate feedback cycles, and support smoother releases, demonstrating a focus on robust error handling and maintainable software development.