Worked on the volcengine/OpenViking repository to enhance the CodeRepositoryParser, enabling it to interpret and apply branch and commit references for precise repository cloning. This feature allows developers and CI/CD pipelines to deterministically select the exact state of a repository, reducing inconsistencies between local and automated builds. The solution was implemented in Python, leveraging asynchronous programming and backend development skills, with a focus on robust git integration. By creating a reusable parser for branch and commit references, the work improved reproducibility across environments and established a foundation for future enhancements in repository state management and workflow reliability.