Leona Thet enhanced the cqse/teamscale-jacoco-agent repository by delivering targeted CI/CD and developer experience improvements. She implemented a pre-commit hook to maintain pom.xml integrity and introduced a standardized pull request template, streamlining code review processes. Leveraging GitHub Actions and Maven, Leona developed an automated workflow for building and deploying the Teamscale Java Profiler, which improved build reliability and deployment automation. She also updated documentation, including the README and CHANGELOG, to reflect these changes. Additionally, Leona addressed the handling of nested JUnit 5 tests in Java, demonstrating depth in continuous integration and Java development within a collaborative environment.