Felicite Lordon authored comprehensive API Key Propagation and Validation Documentation for the DataDog/documentation repository, focusing on clarifying eventual consistency in distributed systems. She addressed the challenge of authentication errors by detailing how API and application key updates may take several seconds to propagate, advising developers to allow for this delay and to use validation endpoints to confirm key status. Her work, written in Markdown and grounded in API security concepts, improved onboarding materials and reduced potential support issues. By aligning documentation with actual product behavior, Felicite demonstrated strong documentation skills and cross-functional collaboration within the context of distributed system architecture.