Documentation

This directory contains project documentation beyond the root README files.

Architecture - System architecture, workflow, data model, and runtime behavior
Development Guide - Local setup, quality checks, and common development workflows
API Reference - Backend REST API endpoints and request/response contracts
Optimization Plan - Performance optimization plan with implementation details

Language

Root README.md: English quick start
Root README_zh.md: 中文快速开始
Docs in this directory are currently maintained in English for contributor consistency.