Contributed targeted improvements to two major open-source repositories over a two-month period, focusing on both documentation quality and backend reliability. Enhanced the AuthenticatorAttestationResponse API documentation in philipwalton/content by ensuring the BLE transport constant is accurately presented as a string literal, aligning examples with actual C# code usage and reducing developer confusion. In dotnet/efcore, addressed a reliability-critical bug in asynchronous database connectivity by ensuring proper cancellation propagation and integrating improved exception detection. Leveraged skills in asynchronous programming, exception handling, and database connectivity, with work spanning C# and Markdown, resulting in more robust documentation and resilient connectivity operations.