Kamila Brylewska enhanced observability in the apollographql/federation repository by adding a per-request context parameter to the didEncounterError method within RemoteGraphQLDataSource. This backend feature, developed in TypeScript, enables error reports to include detailed GraphQL request information, improving diagnostics and reducing triage time for federated services. Kamila focused on robust error handling and API development, ensuring that each error report is traceable to specific requests, which supports audits and performance reviews. While no major bugs were addressed during this period, the work demonstrated depth in backend engineering and contributed to more reliable and transparent error reporting across distributed systems.