Over a two-month period, contributed to code quality and developer experience across ROS 2 and Gazebo projects. In ros2/rclcpp, focused on code hygiene by cleaning up trailing whitespace in documentation and CMake files, improving maintainability without introducing breaking changes. Enhanced the ros2/ros2cli repository by implementing a custom YAML autocompletion feature for topic prototypes, streamlining command-line workflows for complex message publishing. In gazebosim/gz-sim, introduced a codespell pre-commit hook and performed comprehensive spelling and grammar corrections throughout documentation and code comments. Work emphasized Python, YAML, and CMake, prioritizing maintainable codebases and reliable documentation to support ongoing development.