Jiamang Wang authored 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 Bash, provides a comprehensive project overview, core development rules, coding best practices, and detailed documentation of commands, architecture, and testing infrastructure. By establishing clear guidelines and workflows, Jiamang enabled new contributors to ramp up efficiently and ensured consistent code quality across the project. The work emphasized AI collaboration and code guidance, laying a strong foundation for future feature development and quality assurance within the Claude Code integration process.