Worked on the livekit/agents repository to enhance backend reliability by addressing a critical server shutdown issue. Focused on asynchronous programming in Python, the developer implemented a robust shutdown path that ensures aclose() executes even if drain() encounters a TimeoutError, preventing orphaned processes during deployment. Automated tests were added to cover various shutdown scenarios, validating the fix and reducing the risk of regression. This work improved production stability and streamlined post-shutdown cleanup. The approach demonstrated careful attention to error handling and test coverage, leveraging skills in backend development and testing to deliver safer deployment cycles for the livekit/agents project.