During February 2025, Liucoj enhanced search functionality and domain filtering in the open-webui/open-webui repository. They developed an optional filter_list parameter for the search_tavily function, enabling more precise search results through refined filtering. Liucoj also addressed a bug in tavily.py that previously caused domain filters to behave incorrectly, ensuring accurate and efficient filtering for backend processes. Their work involved Python and API integration, with a focus on backend development and robust data handling. All changes were implemented with clear commit messages and underwent QA review, reflecting a methodical approach and a well-scoped contribution within a short project period.