fix: stabilize iOS launch and remove SceneDelegate dependency

whatsapp_app/ios/Runner/AppDelegate.swift

@@ -2,19 +2,13 @@ import Flutter
 import UIKit
 
 @main
-@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
+@objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
-    if self.window == nil {
+    let result = super.application(application, didFinishLaunchingWithOptions: launchOptions)
-      self.window = UIWindow(frame: UIScreen.main.bounds)
+    GeneratedPluginRegistrant.register(with: self)
-      self.window?.rootViewController = UIViewController()
+    return result
-    }
-    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
-
+}
-  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
-    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
-  }
-}

whatsapp_app/ios/Runner/Info.plist

@@ -26,27 +26,6 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
-	<key>UIApplicationSceneManifest</key>
-	<dict>
-		<key>UIApplicationSupportsMultipleScenes</key>
-		<false/>
-		<key>UISceneConfigurations</key>
-		<dict>
-			<key>UIWindowSceneSessionRoleApplication</key>
-			<array>
-				<dict>
-					<key>UISceneClassName</key>
-					<string>UIWindowScene</string>
-					<key>UISceneConfigurationName</key>
-					<string>flutter</string>
-					<key>UISceneDelegateClassName</key>
-					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
-					<key>UISceneStoryboardFile</key>
-					<string>Main</string>
-				</dict>
-			</array>
-		</dict>
-	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>

whatsapp_bridge/server.js

@@ -388,9 +388,25 @@ async function handleMessage(ws, raw) {
           }
 
           console.log(`[WS] Downloading media for message: ${messageId}`);
-          const media = await msg.downloadMedia();
+          
-          if (!media) {
+          let media = null;
-            return respond({ type: 'error', message: 'Failed to download media file from WhatsApp servers' });
+          // Attempt to download media with retries and a delay to allow decryption
+          for (let i = 0; i < 3; i++) {
+            try {
+              media = await msg.downloadMedia();
+              if (media && media.data) {
+                console.log(`[WS] Successfully downloaded media on attempt ${i + 1}`);
+                break;
+              }
+            } catch (err) {
+              console.warn(`[WS] Media download attempt ${i + 1} failed:`, err.message);
+            }
+            // Wait 1.5 seconds before retrying
+            await new Promise(resolve => setTimeout(resolve, 1500));
+          }
+
+          if (!media || !media.data) {
+            return respond({ type: 'error', message: 'Failed to download media file from WhatsApp servers after multiple attempts' });
           }
 
           return respond({