Worked on the huggingface/chat-ui repository to enhance backend reliability by addressing a key edge case in the chat interface’s output logic. Focused on TypeScript-based backend development, the work involved refactoring the FinalAnswer handling so that the final response is always produced, even if reasoning steps are interrupted. By moving this logic outside the main reasoning processing blocks, the update eliminated scenarios where users might not receive a final answer, thereby improving determinism and user experience. This change also improved code maintainability and testability, laying a stronger foundation for future enhancements to output handling and overall system stability.