Mahdi Baghbani focused on enhancing the resilience of OCM address parsing in the cs3org/reva repository, addressing a nuanced bug involving addresses with multiple '@' symbols. Using Go and leveraging skills in backend and API development, Mahdi implemented logic to accurately extract user IDs and providers, while introducing validation to reject empty values. This targeted fix prevents misrouting and invalid identity propagation, directly improving cross-provider interoperability and downstream service stability. The work included expanded test coverage for both standard and error scenarios, reflecting a careful approach to robust string manipulation and validation within a critical identity resolution component of the system.