During March 2026, Dsf focused on improving the user experience in the jarun/nnn repository by addressing a rendering issue in the Kitty terminal. Using shell scripting and terminal user interface development skills, Dsf implemented a targeted bug fix that clears stale graphics when users exit video previews, preventing graphical artifacts and ensuring a clean UI state. The solution was delivered as a disciplined, low-risk change scoped specifically to the preview-tui flow, with clear commit messaging for traceability. This work demonstrates careful attention to UI polish and reliability, resulting in smoother video preview workflows and reducing potential support issues.