Worked on enhancing the reliability of cron job scheduling for the openclaw/openclaw repository, focusing on backend development using Node.js and TypeScript. Addressed a critical bug by introducing robust error handling within the cron service, specifically by wrapping the schedule computation logic in try-catch blocks. This approach ensured that errors in computing the next job run time were logged and prevented from causing cascading failures in state transitions. The solution improved overall uptime and reliability of scheduled tasks by safeguarding state updates against computation errors, demonstrating a methodical approach to error handling and system resilience in backend infrastructure.