Jouko Haanpää focused on improving repository hygiene in the ci-test-automation project by updating the .gitignore configuration to exclude the __pycache__ directory. This change, implemented using Git and configuration management skills, prevented compiled Python bytecode from being tracked, thereby reducing unnecessary repository noise and supporting a cleaner codebase. Jouko’s approach emphasized operational stability, delivering a single, low-risk feature that maintained the integrity of ongoing development work. While the scope of work was limited to one feature over the month, the update contributed to better repository maintenance practices and demonstrated attention to detail in managing version control and project configuration.