const response = await openai.chat.completions.create({
  model: "gpt-4",
  messages: [{ role: "user", content: "Busca en la web..." }],
  tools: [
    {
      type: "function",
      function: {
        name: "web_search",
        parameters: {
          type: "object",
          properties: {
            query: { type: "string" }
          }
        }
      }
    }
  ]
});

async function executeTool(tool: Tool, args: any) {
  try {
    return await tool.execute(args);
  } catch (error) {
    // Registrar el error
    logger.error(`Tool ${tool.name} failed:`, error);
    
    // Devolver un resultado que el agente pueda procesar
    return {
      success: false,
      error: error.message,
      recoverable: isRecoverable(error)
    };
  }
}