Tomasz Panek developed a new feature for the google/adk-java repository, advancing the human-in-the-loop audio workflow by enabling input audio transcription and integrating tool confirmations into the system. He ported the existing Python HITL components to Java, ensuring parity and smoother deployment for Java-based environments. His work focused on backend and API development, leveraging Java and unit testing to enhance session visibility and streamline audio processing. By reducing manual intervention and improving observability, Tomasz’s contributions prepared the workflow for production-grade use, demonstrating depth in cross-language porting and thoughtful integration of audio processing within complex backend systems.