Chihiro focused on improving the Trace Details user experience in the OpenSearch-Dashboards repository by addressing a nuanced scrollbar issue within the code block component. Using React and TypeScript, Chihiro removed the overflowHeight prop from EuiCodeBlock to resolve edge-case scrolling problems, resulting in smoother trace analysis for developers. The change was implemented as a small, isolated fix, minimizing risk to other features and ensuring maintainability. Chihiro documented the update in the changelog, enhancing visibility for both users and QA teams. This work demonstrated careful attention to UI/UX detail, code quality, and clear communication, contributing to overall product reliability.