Daniel Ilha focused on repository hygiene in the zanfranceschi/rinha-de-backend-2025 project, targeting the daniilha-php directory to remove legacy test and build artifact log files. By eliminating docker-compose.logs and k6.logs, Daniel improved the repository’s cleanliness and reduced unnecessary noise for developers, directly supporting more reliable CI/CD processes and smoother onboarding. The work was carefully scoped to avoid any functional changes, ensuring stability while establishing a clean baseline for future development and audits. Daniel utilized Git for version control and worked within a PHP-based environment, demonstrating attention to maintainability and process improvement through targeted, well-documented housekeeping efforts.