Andrea Rahmanan contributed to the percona/percona-server-mongodb repository by delivering targeted improvements in code ownership management and testing validation. Andrea updated the CODEOWNERS file for the enterprise streams_kafka module, ensuring that the correct teams are assigned for code review and ongoing maintenance, which improved governance and streamlined the review process. Additionally, Andrea enhanced the code coverage reporting by including Streams JavaScript tests, increasing visibility into test coverage and supporting more reliable release readiness. These changes were implemented using YAML and DevOps practices, with a focus on continuous integration and testing, reflecting a methodical approach to maintainability and code quality.