# Realtime Sessions

This app now supports shared sessions by `gameId` using a lightweight WebSocket server.

## Run

```bash
npm run realtime:server
```

Default port: `8787`  
Override: `REALTIME_PORT=9000 npm run realtime:server`

## Nginx Proxy

Proxy `/realtime/*` from your public domain to the realtime server:

```nginx
location /realtime/ {
    proxy_pass http://127.0.0.1:8787/;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
}
```

Notes:
- `proxy_pass` with trailing `/` is important, because frontend calls `/realtime/sessions` and `/realtime/ws`.
- Sessions are kept in memory; restarting the realtime server resets all active game sessions.