Contributed to the symfony/symfony repository by developing a targeted maintenance feature for the Messenger component, enabling class-based cleanup of failed messages. The work centered on implementing a new --class-filter option for the messenger:failed:remove command, allowing operators to selectively delete failed messages by their class. This involved designing and integrating filtering logic, updating help text for improved command line interface usability, and writing comprehensive tests to validate the new behavior. Utilizing PHP, Symfony, and command line interface skills, the feature addressed operational reliability and storage efficiency, reflecting a focused approach to maintainability and user experience within message queue management.