Zhihao Jiang worked on the MoonshotAI/kimi-cli repository, focusing on enhancing the reliability and user experience of ACP client interactions. He addressed a bug in the Shell Output Display and Streaming, ensuring that outputs from the Shell tool are streamed and displayed correctly in ACP clients. Using Python and backend development skills, he refined the handling of tool return values to process valid outputs and log unsupported content types for easier debugging. His work improved logging and observability, supporting faster triage and future enhancements. The depth of the contribution was targeted, addressing a specific reliability issue within a short timeframe.