Worked on the google/adk-java repository to address a critical issue in handling multiple tool requests within a single LLM response. Focused on improving the LangChain4j integration, the developer ensured that multiple ToolExecutionRequest objects could be correctly processed and returned, enhancing the reliability of multi-tool orchestration in Java-based LLM workflows. The solution involved both Java development and API integration, with comprehensive tests added to prevent future regressions. This work improved workflow throughput for LLM-driven tool usage, demonstrating a methodical approach to debugging and validation while leveraging skills in Java and LLM integration to deliver robust, maintainable code enhancements.