Guide for writing and optimizing CLAUDE.md files for maximum Claude Code performance. Use when creating new CLAUDE.md, reviewing existing ones, or when user asks about CLAUDE.md best practices. Covers structure, content, pruning, and common mistakes.

撰写和优化CLAUDE.md文件以实现最佳Claude代码性能的指南。适用于创建新的CLAUDE.md文件、审查现有文件或用户询问CLAUDE.md最佳实践时使用。涵盖结构、内容、精简及常见错误。