Sean McDonald enhanced the puppetlabs/puppetlabs-peadm repository by developing a dynamic database cleanup feature for the add_database plan, targeting improved automation during patching and high availability configuration workflows. Leveraging DevOps practices and Infrastructure as Code principles, Sean introduced the peadm::pe_db_names function in Puppet to automatically determine which PostgreSQL databases require purging based on the Puppet Enterprise version. This approach reduced manual intervention and ensured compatibility across multiple releases, streamlining enterprise database maintenance. The work focused on automating risk mitigation during patch cycles, demonstrating depth in Puppet language usage and thoughtful integration with existing infrastructure automation processes.