session start works

backend/src/index.ts

@@ -0,0 +1,24 @@
+import express from 'express';
+import http from 'http';
+import { createWebSocketServer } from './ws';
+import sessionsRouter from './routes/sessions';
+import cors from 'cors';
+
+const app = express();
+const server = http.createServer(app);
+
+// Middleware
+app.use(express.json());
+app.use(cors());
+
+// API Routes
+app.use('/', sessionsRouter);
+
+// Create and attach WebSocket server
+createWebSocketServer(server);
+
+const PORT = process.env.PORT || 8000;
+
+server.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});