During March 2026, Ziwikiwi contributed to the aws/aws-toolkit-vscode repository by delivering two features and resolving a bug, focusing on security and reliability. They implemented AWS SigV4 header support in the SMUS URI handler, enabling presigned URLs and secure WebSocket connections. Using TypeScript and AWS technologies, Ziwikiwi enhanced the testing framework for space applications by introducing proper mocking of space commands, which improved test reliability. Additionally, they addressed session parameter recovery by creating a fallback mechanism for ws_url parsing, ensuring robust handling of missing or misparsed parameters. Their work demonstrated depth in full stack development, testing, and mocking.