Worked on stabilizing the Snowflake Cortex LLM API integration within the BerriAI/litellm repository by addressing a critical issue in tool_choice payload handling. Using Python, the developer implemented a data transformation that converted OpenAI string values such as 'auto', 'required', and 'none' into the object format required by the Snowflake API, preventing payload errors and improving communication reliability. This fix enhanced the robustness of LLM API interactions and reduced invocation errors. The work emphasized API integration and traceable documentation, anchoring changes at the commit level to support future debugging and maintainability within the evolving landscape of LLM APIs.