Developed a targeted feature enhancement for the github/safe-settings repository, focusing on improving diff operations within configuration management workflows. Leveraging Go and expertise in glob pattern matching, introduced diffable include and exclude glob matching to enable precise file and path filtering during diff generation. This approach enhanced the accuracy and reproducibility of configuration changes, supporting more reliable policy management and reducing the risk of unintended diffs. The work laid a foundation for scalable policy automation by allowing fine-grained control over which files are considered in diffs. No major bugs were reported, reflecting a focus on robust, maintainable feature delivery.