- 01-快速开始: local setup for all 3 modules, common issues
- 02-配置说明: all env vars, WeChat/Pay/DB/COS config details
- 03-架构说明: system overview, directory structure, data flows
- 04-部署指南: Tencent Cloud SCF/COS deployment, launch checklist
- 05-API接口文档: all 42 endpoints with params and response format
- README index with audience guide and quick links
