Developed and delivered the Claude Code Developer Guide for the alibaba/ROLL repository, focusing on standardizing onboarding and development practices for contributors working with Claude Code. The guide, written in Markdown and leveraging Bash for command examples, provides a comprehensive overview of the project’s architecture, core development rules, coding best practices, and testing infrastructure. By establishing clear documentation and outlining common workflows, the work enabled faster ramp-up for new contributors and set a foundation for consistent code quality. The effort emphasized AI collaboration and code guidance, supporting future feature delivery and ensuring maintainable integration processes within the Claude Code environment.