Alan Viana focused on enhancing data integrity within the grafana/k6-DefinitelyTyped repository by delivering stricter TypeScript validation for OrderFormMarketingData. He refactored the type definitions to require essential marketing properties, converted UTM fields to non-nullable, and defined marketingTags as a string array, ensuring that order form analytics receive complete and reliable data. Using TypeScript and his expertise in API development and type modeling, Alan implemented these changes as a breaking update, improving type safety and reducing the risk of runtime data gaps. His work enables more accurate marketing attribution and supports better downstream decision-making for analytics and reporting workflows.