Worked on reliability and security improvements across microsoft/CsWinRT and microsoft/WindowsAppSDK, focusing on code quality and user experience. Addressed a CodeQL warning in CsWinRT by suppressing alerts related to SHA-1 usage in GUID generation for WinRT pinterfaces, clarifying intent through code comments without altering functionality. In WindowsAppSDK, enhanced error handling by ensuring missing Visual Studio components trigger explicit, actionable errors instead of silent failures, and introduced automated tests to detect such issues early. Leveraged C#, PowerShell, and CodeQL analysis to improve maintainability, reduce false positives in security scans, and streamline setup troubleshooting through robust scripting and component testing practices.