fix: keep process alive after initialization for continuous operation

index.js

@@ -69,6 +69,10 @@ loadQuotes().then((quotes) => {
             });
         }
     });
+
+    // Keep process alive with periodic heartbeat
+    setInterval(() => {}, 1000 * 60); // Heartbeat every minute
+    console.log('Bot is running. Press Ctrl+C to exit.');
 }).catch(err => {
     console.error('Failed to load quotes:', err.message);
 });