Fix reconnection transcript behavior (#94)

Author: mliao95

Sources/Core/Service/ChatService.swift

@@ -818,7 +818,13 @@ class ChatService : ChatServiceProtocol {
 
                 if let websocketManager = self?.websocketManager {
                     let formattedItems = websocketManager.formatAndProcessTranscriptItems(transcriptItems)
-                    self?.triggerTranscriptListUpdate()
+                    
+                    // Dispatch the transcript list update to the next run loop cycle
+                    // to ensure formatAndProcessTranscriptItems completes all its internal processing
+                    DispatchQueue.main.async {
+                        self?.triggerTranscriptListUpdate()
+                    }
+                    
                     let transcriptResponse = TranscriptResponse(
                         initialContactId: response.initialContactId ?? "",
                         nextToken: response.nextToken ?? "", // Handle nextToken if it is available in the response