During September 2025, Yip contributed to the livekit/agents-js repository by enhancing real-time transcription features and improving Azure-based LLM initialization. He implemented semantic_vad-based turn detection and added optional language and prompt fields to InputAudioTranscription, enabling more flexible and controlled audio processing in real-time collaboration scenarios. Additionally, Yip addressed a bug in llm.ts to ensure Azure-specific defaults are correctly merged during LLM instance initialization, improving deployment reliability for enterprise Azure environments. His work demonstrated depth in API Design, API Integration, and real-time communication, leveraging TypeScript to deliver targeted improvements that addressed both feature expansion and configuration correctness.