Developed and delivered the Last Command Context Tracking feature for the hanxi/xiaomusic repository, introducing a last_cmd variable to persist the most recent command issued through the XiaoMusic Web Interface. This enhancement enabled context-aware command processing, resulting in a smoother and more predictable user experience. The implementation involved both backend development in Python and frontend state management using JavaScript and TypeScript, with a focus on clear, traceable commits and bilingual documentation. No major bugs were reported or fixed during this period, and the work demonstrated attention to maintainable code structure and improved debugging through persistent command context within the web interface.