Project Documentation · jiffies Create high-quality README and system documentation for software projects. Use when you need to: (1) Write or update project README documentation, (2) Add system operation principle flowcharts using Mermaid, (3) Write detailed step-by-step usage instructions, (4) Organize and optimize configuration descriptions (environment variables, config files), (5) Make documentation more user-friendly and easier to understand. Applicable to open-source projects, internal tools, API services, and any project requiring improved documentation.