Thomas Ward enhanced the domain watchlist workflow in the Charcoal-SE/SmokeDetector repository by implementing configuration management improvements using YAML. He focused on stabilizing NXDOMAIN handling by disabling problematic domain entries, specifically addressing apktunnel.com, and corrected a misnamed disable flag in the watched_nses.yml configuration file. Through these targeted changes, Thomas improved the reliability of domain blocking and reduced the risk of configuration errors. His work resulted in clearer visibility into domain watchlist behavior and lowered maintenance overhead. The depth of his contribution lies in refining configuration validation and ensuring robust, maintainable workflows for domain detection and blocking within the project.