During March 2025, Kathryn Kodama focused on improving error handling in the graphql-hive/gateway repository by addressing a bug in subschema delegation. She corrected the error path reporting when delegating a single item to a list, which previously led to confusion in complex federated schemas. Kathryn implemented regression tests to ensure the fix remained stable and enhanced overall test coverage for subschema workflows. Her work, using GraphQL, JavaScript, and TypeScript, improved the reliability and debuggability of schema stitching in gateway environments. This targeted engineering effort deepened the robustness of error-path handling, supporting clearer diagnostics and higher confidence for downstream users.