Note: The server-side WebSocket protocol for collaborative editing in this project was inspired by the Yjs community discussion on syncing servers and horizontal scaling and the implementation in yjs-scalable-ws-backend.

Collaborative document editor with AI-powered spell check.

• Node.js (v18+ recommended)
• Yarn or npm

cd backend
npm install
cd ../frontend
npm install

cd backend
npm run dev

cd frontend
npm run dev

Visit http://localhost:5173 in your browser.

• Backend runs on Cloudflare Workers (local dev via Wrangler)
• Frontend is a Vite React app
• Collaborative editing powered by Yjs and WebSocket
• AI spell check via OpenAI/Meta Llama (see backend config)

• yjs-scalable-ws-backend: Horizontally scalable Yjs WebSocket backend with persistence and Redis pub/sub.