Fix "Control UI Requires Device Identity" Error

http://localhost:18789

# Forward remote port 18789 to local port 18789
ssh -L 18789:localhost:18789 user@your-server-ip

# Or run it in the background:
ssh -fN -L 18789:localhost:18789 user@your-server-ip

# /etc/caddy/Caddyfile
openclaw.your-domain.com {
    reverse_proxy localhost:18789

    # WebSocket support (Caddy handles this automatically,
    # but explicit config if needed):
    @websockets {
        header Connection *Upgrade*
        header Upgrade    websocket
    }
    reverse_proxy @websockets localhost:18789
}

# Reload Caddy to apply
sudo systemctl reload caddy

# Verify it's working
curl -I https://openclaw.your-domain.com

server {
    listen 443 ssl http2;
    server_name openclaw.your-domain.com;

    # SSL certificates (use certbot for Let's Encrypt)
    ssl_certificate     /etc/letsencrypt/live/openclaw.your-domain.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/openclaw.your-domain.com/privkey.pem;

    location / {
        proxy_pass http://127.0.0.1:18789;

        # WebSocket headers — required for Dashboard
        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;

        # Timeout for long-lived WebSocket connections
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
    }
}

# HTTP → HTTPS redirect
server {
    listen 80;
    server_name openclaw.your-domain.com;
    return 301 https://$host$request_uri;
}

# Get SSL certificate with certbot
sudo certbot --nginx -d openclaw.your-domain.com

# Enable the site and reload
sudo ln -s /etc/nginx/sites-available/openclaw /etc/nginx/sites-enabled/
sudo nginx -t && sudo systemctl reload nginx