During September 2025, Drew reorganized GPT-5 model configuration within the openai/openai-agents-js repository, focusing on improving clarity and maintainability for multi-provider environments. By refactoring model settings under a unified providerData structure, Drew standardized configuration paths and reduced the risk of drift or misconfiguration. This approach clarified ownership boundaries and centralized settings, making onboarding and future configuration changes more efficient. The work, implemented using JavaScript and leveraging full stack development and AI integration skills, laid a foundation for safer rollout of GPT-5 capabilities. No major bugs were reported, indicating a careful and well-considered engineering process throughout the feature delivery.