During July 2025, this developer built a real-time AI Thinking Time Timer feature for the chatboxai/chatbox repository, focusing on enhancing user feedback during AI message generation. They implemented a reusable useThinkingTimer React hook in TypeScript, centralizing timing logic and integrating it into the chatbox UI to display elapsed processing time for streaming responses. This addition provided users with immediate visibility into AI processing duration, supporting latency benchmarking and improving interaction flow. The work demonstrated solid frontend development and state management skills, aligning with repository conventions and thorough commit practices. The feature addressed a clear UX need with focused, maintainable engineering.