Mika Hanninen developed the Chat: List Files in Thread feature for the Sema4AI/actions repository, enabling users to retrieve all files within a chat thread across both local and remote storage modes. The implementation focused on robust API development and backend logic, using Python for the core functionality and Markdown for comprehensive documentation. Mika ensured reliability and maintainability by adopting a test-driven approach, providing thorough tests alongside the new feature. This work addressed the need for faster file discovery and improved collaboration context within threaded chats. Over the month, Mika concentrated on feature delivery, with no major bug fixes reported during this period.