Worked on the microsoft/teams.py repository to enhance cross-language consistency by aligning Python naming conventions with those used in TypeScript. Focused on API design and refactoring, the developer delivered a feature that renamed SystemMessage to Instructions throughout the Python package, ensuring compatibility and easing onboarding for developers familiar with both languages. The technical approach preserved all core functionality, introducing no behavioral changes while improving maintainability and clarity across packages. Utilizing Python and applying refactoring best practices, the work addressed cross-package compatibility and streamlined the codebase, supporting a smoother development experience for teams working across multiple language implementations.