feat: add enhanced error handling and logging in main process

src/index.ts

@@ -8,6 +8,19 @@ dotenv.config();
 // Get port from environment or default to 3000
 const PORT = process.env.PORT ? parseInt(process.env.PORT) : 3000;
 
+// Enhanced error logging
+function logError(error: unknown) {
+  if (error instanceof Error) {
+    console.error('Error:', error.message);
+    console.error('Stack:', error.stack);
+    if (error.cause) {
+      console.error('Caused by:', error.cause);
+    }
+  } else {
+    console.error('Unknown error:', error);
+  }
+}
+
 // Start the bot and server
 async function main() {
   try {
@@ -18,21 +31,49 @@ async function main() {
     console.log('Starting server...');
     startServer(PORT);
     console.log(`Server running on port ${PORT}`);
+    
+    // Keep process alive
+    setInterval(() => {
+      // Just keep the event loop running
+    }, 1000);
+    
   } catch (error) {
-    console.error('Error starting application:', error);
+    console.error('\n=== APPLICATION FAILED TO START ===');
+    logError(error);
+    console.error('===============================');
     process.exit(1);
   }
 }
 
 // Handle process termination
 process.on('SIGINT', () => {
-  console.log('Shutting down gracefully...');
+  console.log('\nShutting down gracefully...');
   process.exit(0);
 });
 
 process.on('SIGTERM', () => {
-  console.log('Shutting down gracefully...');
+  console.log('\nShutting down gracefully...');
   process.exit(0);
 });
 
-main();
+process.on('uncaughtException', (error) => {
+  console.error('\n=== UNCAUGHT EXCEPTION ===');
+  logError(error);
+  console.error('=========================');
+  process.exit(1);
+});
+
+process.on('unhandledRejection', (reason, promise) => {
+  console.error('\n=== UNHANDLED REJECTION ===');
+  console.error('Promise:', promise);
+  console.error('Reason:', reason);
+  console.error('=========================');
+  process.exit(1);
+});
+
+main().catch((error) => {
+  console.error('\n=== MAIN FUNCTION FAILED ===');
+  logError(error);
+  console.error('=========================');
+  process.exit(1);
+});