Listar todas las sesiones de WhatsApp

{
    "success": true,
    "sessions": [
        {
            "sessionId": "session-123",
            "status": "initializing",
            "phoneNumber": 1234567890,
            "lastActivity": "2019-08-24T14:15:22Z",
            "createdAt": "2019-08-24T14:15:22Z",
            "metadata": {
                "clientInfo": {},
                "batteryLevel": 0,
                "isOnline": true,
                "platform": "string"
            }
        }
    ],
    "pagination": {
        "total": 0,
        "limit": 0,
        "offset": 0,
        "hasMore": true
    }
}