Hygaard focused on backend reliability in the NousResearch/hermes-agent repository, addressing a routing issue in the Gateway Runner. Using Python and leveraging skills in API integration and configuration management, Hygaard delivered a targeted bug fix that ensures session-scoped overrides for models and providers are properly honored. This change improved routing determinism by making per-session overrides take precedence over global defaults, reducing the risk of misrouting across helper agents and cache-miss main agents. The work demonstrated careful attention to session-aware logic and laid the foundation for more robust multi-agent workflows, reflecting a thoughtful approach to backend stability and maintainability.