Enhance TED Scraper Initialization and Error Handling

- Updated the InitTEDScraper function to return a scheduler instance, allowing for better error handling during initialization.
- Added error logging for failed scheduler initialization and job scheduling, improving robustness.
- Implemented graceful shutdown for the scheduler in the main function, ensuring proper resource management during application termination.

cmd/scraper/main.go

@@ -73,7 +73,11 @@ func main() {
 	}
 
 	// Initialize TED scraper for scheduled mode
-	bootstrap.InitTEDScraper(*config, mongoManager, appLogger, notificationService)
+	scheduler := bootstrap.InitTEDScraper(*config, mongoManager, appLogger, notificationService)
+	if scheduler == nil {
+		appLogger.Error("Failed to initialize TED scraper scheduler", map[string]interface{}{})
+		os.Exit(1)
+	}
 
 	// Set up signal handling for graceful shutdown
 	signalChan := make(chan os.Signal, 1)
@@ -83,5 +87,10 @@ func main() {
 	<-signalChan
 	appLogger.Info("Received shutdown signal, stopping scheduler...", map[string]interface{}{})
 
+	// Stop scheduler gracefully
+	if scheduler != nil {
+		scheduler.Stop()
+	}
+
 	appLogger.Info("TED scraper application stopped", map[string]interface{}{})
 }