Errores

{
  "statusCode": 401,
  "message": "Invalid API key"
}

{
  "statusCode": 403,
  "message": "Feature not available in your plan",
  "currentPlan": "STARTER",
  "requiredFeatures": ["mcp_servers"]
}

{
  "statusCode": 429,
  "message": "Rate limit exceeded"
}

HTTP/1.1 429 Too Many Requests
Retry-After: 12

const response = await fetch(url, { headers });

if (response.status === 429) {
  const retryAfter = parseInt(response.headers.get('Retry-After') || '60');
  console.log(`Rate limit. Reintentando en ${retryAfter}s...`);
  await new Promise(resolve => setTimeout(resolve, retryAfter * 1000));
  // Reintentar
}

event: error
data: {"message":"Error procesando la solicitud"}

// Con fetch + ReadableStream
switch (eventType) {
  case 'error':
    const data = JSON.parse(rawData);
    console.error('Error del agente:', data.message);
    break;
}