In December 2025, John O’Reilly developed and delivered a Markdown renderer for agent responses in the JetBrains/koog demo application. Using Kotlin and Jetpack Compose, he focused on enhancing the formatting and readability of agent outputs within the demo UI. His work involved a single, well-scoped feature commit that provided clear traceability and maintained high code quality throughout the process. By prioritizing reliable feature delivery over bug fixes, John ensured the new renderer integrated smoothly with the existing front end. This contribution improved the user experience by presenting agent responses in a more structured and visually accessible format.