Worked on FoundationAgents/OpenManus and pytest-dev/pytest, focusing on backend development and testing infrastructure. Delivered API documentation and schema improvements for LLMSettings, enhancing clarity and reducing integration issues for multi-provider LLMs using Python and configuration management. Updated extracted_content handling to meet OpenAI API requirements, improving data integrity and minimizing call failures. In pytest-dev/pytest, refactored the core fixture system to enable fixture reuse across doctest modules and multiple test nodes, addressing autouse fixture handling and stabilizing doctest integration. Emphasized maintainability and reliability through code quality improvements, schema definition, and robust testing practices with pytest and Python tooling.