Weiling Gu developed an automation feature for the amzn/selling-partner-api-models repository, focusing on improving the issue lifecycle within GitHub. She implemented a new configuration in the closing_inactive_issues.yml workflow using YAML and GitHub Actions, enabling inactivity-based closures to apply only to issues labeled as 'answered.' This approach introduced a safer, more controlled process for managing inactive issues, aligning with established labeling conventions and service-level agreements. By leveraging CI/CD practices, Weiling ensured that active discussions were not closed prematurely, demonstrating thoughtful engineering depth in workflow automation and configuration management during the project’s one-month development period.