During July 2025, Chamilouga focused on backend development for the chamilo/chamilo-lms repository, addressing a reliability issue in the course tools module. Working with PHP, they fixed the Hide All functionality, which previously failed to consistently update tool visibility when instructors selected the 'all' option. By refining the $skipTools array logic, Chamilouga ensured that all intended tools were properly included, restoring expected behavior for both instructors and students. This targeted bug fix improved the stability and maintainability of course management workflows, demonstrating a methodical approach to problem-solving and a solid understanding of backend logic within a production learning management system.