During March 2025, Karuta focused on backend development and configuration management for the vdaas/vald repository, addressing reliability issues with the Lorentz distance metric in configuration parsing. By fixing the string representation to match the defined schema and updating accepted aliases, Karuta ensured that the Lorentz distance metric is correctly recognized and parsed in configuration workflows. This targeted bug fix, implemented in Go, reduced the risk of misconfiguration and improved metric accuracy in production pipelines. The work demonstrated careful attention to schema alignment and operational reliability, reflecting a thoughtful approach to maintaining robust configuration management in backend systems.