Refactor agent.js to use named function and add error handling with process exit

Author: ciro-maciel

examples/mcp/agent.js

@@ -1,7 +1,7 @@
 // Exemplo de agente integrado ao MCP server de weather
 const { Agent, Runner } = require('../../src');
 
-(async () => {
+async function main() {
     // URL do MCP server (ajuste conforme necessário)
     const mcpWeatherUrl = 'http://localhost:3001/sse';
 
@@ -24,4 +24,12 @@ const { Agent, Runner } = require('../../src');
     // Executa o agente, que decide qual ferramenta usar
     const result = await Runner.run(agent, input);
     console.log('Saída final do agente:', result.finalOutput);
-})();
+
+    process.exit(0);
+}
+
+// Executar o exemplo
+main().catch(err => {
+    console.error(err);
+    process.exit(1);
+});