During August 2025, Pulfer focused on targeted code refactoring within the hitobito/hitobito repository, specifically cleaning up the Person model by removing obsolete print_list formatting references. This work simplified the full_name and person_name methods, eliminated deprecated conditional logic, and reduced technical debt without altering external behavior. By streamlining these code paths, Pulfer improved maintainability and made future onboarding and feature development safer and more efficient. The changes were implemented using Ruby and Ruby on Rails, demonstrating disciplined clean-code practices and precise commit management. No major bugs were addressed, but overall system stability and code readability were carefully preserved.