added imessage app, async is hardv2

StickerSlackiMessageExtension/MessagesViewController.swift

@@ -0,0 +1,66 @@
+//
+//  MessagesViewController.swift
+//  StickerSlackiMessageExtension
+//
+//  Created by neon443 on 18/10/2025.
+//
+
+import UIKit
+import Messages
+
+class MessagesViewController: MSMessagesAppViewController {
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // Do any additional setup after loading the view.
+    }
+    
+    // MARK: - Conversation Handling
+    
+    override func willBecomeActive(with conversation: MSConversation) {
+        // Called when the extension is about to move from the inactive to active state.
+        // This will happen when the extension is about to present UI.
+        
+        // Use this method to configure the extension and restore previously stored state.
+    }
+    
+    override func didResignActive(with conversation: MSConversation) {
+        // Called when the extension is about to move from the active to inactive state.
+        // This will happen when the user dismisses the extension, changes to a different
+        // conversation or quits Messages.
+        
+        // Use this method to release shared resources, save user data, invalidate timers,
+        // and store enough state information to restore your extension to its current state
+        // in case it is terminated later.
+    }
+   
+    override func didReceive(_ message: MSMessage, conversation: MSConversation) {
+        // Called when a message arrives that was generated by another instance of this
+        // extension on a remote device.
+        
+        // Use this method to trigger UI updates in response to the message.
+    }
+    
+    override func didStartSending(_ message: MSMessage, conversation: MSConversation) {
+        // Called when the user taps the send button.
+    }
+    
+    override func didCancelSending(_ message: MSMessage, conversation: MSConversation) {
+        // Called when the user deletes the message without sending it.
+    
+        // Use this to clean up state related to the deleted message.
+    }
+    
+    override func willTransition(to presentationStyle: MSMessagesAppPresentationStyle) {
+        // Called before the extension transitions to a new presentation style.
+    
+        // Use this method to prepare for the change in presentation style.
+    }
+    
+    override func didTransition(to presentationStyle: MSMessagesAppPresentationStyle) {
+        // Called after the extension transitions to a new presentation style.
+    
+        // Use this method to finalize any behaviors associated with the change in presentation style.
+    }
+
+}