Worked on enhancing the LangGraph integration within the comet-ml/opik repository by developing a feature to extract and log state updates from LangGraph Command objects. Used Python to implement an extraction function that parses state updates and ensures accurate output capture for nodes returning Command objects, addressing issues with log and output loss. Added regression tests to validate that state updates are correctly logged, improving the reliability and observability of LangGraph pipelines. Also resolved a bug related to Command node output capture in the SDK. The work focused on backend development, data extraction, and robust logging to support better debugging and data processing.