Celso Benedetti contributed to the basecamp/omarchy repository by addressing a bug in the Waybar integration, focusing on improving the efficiency of theme application. Using shell scripting, Celso implemented a conditional restart mechanism that ensures Waybar only restarts if it is already running, thereby reducing unnecessary restarts and minimizing resource usage. This targeted fix enhanced the reliability and speed of the theme application process, resulting in a smoother user experience without visible downtime. The work demonstrated careful attention to system state management and maintainability, with clear commit documentation to support future development and troubleshooting within the shell-based workflow.