- Add "开发者搭建指南" page with full clone-to-run instructions - Add "国内镜像源" page with npm/Node.js/Electron/Git mirrors - Update quickstart to show 3 ways: USB, desktop app, developer build - Update USB run page with actual file names (Mac-Start.command etc) - Update install-pc page with setup.sh one-click workflow - Add portable vs desktop comparison table