Added reference

lib/main.dart

@@ -1570,8 +1570,9 @@ class _MainAppState extends State<MainApp> {
                                         : null
                                     : () {
                                         selectionHaptic();
-                                        if (!chatAllowed || model == null)
+                                        if (!chatAllowed || model == null) {
                                           return;
+                                        }
                                         if (desktopFeature()) {
                                           FilePicker.platform
                                               .pickFiles(type: FileType.image)

lib/worker/theme.dart

@@ -56,6 +56,7 @@ void resetSystemNavigation(BuildContext context,
 
 ThemeData themeModifier(ThemeData theme) {
   return theme.copyWith(
+    // https://docs.flutter.dev/platform-integration/android/predictive-back#set-up-your-app
       pageTransitionsTheme: const PageTransitionsTheme(
     builders: <TargetPlatform, PageTransitionsBuilder>{
       TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),