During January 2026, Xiufeng He developed a configurable access token lifetime feature for the dataease/sqlbot repository. By introducing a new environment variable, Xiufeng enabled administrators to control access token expiration times, directly addressing security and operational flexibility requirements. The implementation leveraged configuration management and DevOps practices, with a focus on environment variable configuration and token-based authentication lifecycle. Using Shell scripting and SQL, Xiufeng ensured that the solution provided commit-level traceability and improved the system’s security posture by reducing risk exposure. While no bugs were fixed during this period, the work demonstrated depth in secure configuration and operational control.