Worked on the TEN-framework/ten_framework repository to enhance the reliability of the Bing Search Tool Extension by addressing a critical issue with HTTP session management. Using Python and leveraging skills in API integration and asynchronous programming, implemented a robust session initialization flow to ensure that each request operates within a valid session context. This approach resolved a premature session closure bug that previously caused runtime errors and disrupted user experience. The fix was validated through targeted testing, resulting in a more stable backend for Bing search functionality and reducing error rates in production environments, demonstrating careful attention to backend reliability and maintainability.