refactored landing page with initialization errors

app/lib/presentation/hooks/cached_future.dart

@@ -0,0 +1,12 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+
+AsyncSnapshot<T> useCachedFuture<T>(
+  Future<T> Function() valueBuilder,
+) {
+  // ignore: discarded_futures
+  final cachedFuture = useMemoized(
+    valueBuilder,
+  );
+  return useFuture(cachedFuture);
+}

app/lib/presentation/widgets/failure_widget.dart

@@ -10,7 +10,7 @@ class FailureWidget extends StatelessWidget {
   });
 
   final String? title;
-  final Object? exception;
+  final dynamic exception;
   final VoidCallback? onRetry;
   final bool compact;
 
@@ -23,7 +23,10 @@ class FailureWidget extends StatelessWidget {
           ListTile(
             title: Text(title ?? 'Something went wrong'),
             subtitle: exception != null
-                ? Text(exception.runtimeType.toString())
+                ? switch (exception) {
+                    final String string => Text(string),
+                    _ => Text(exception.runtimeType.toString())
+                  }
                 : null,
             trailing: compact && onRetry != null
                 ? IconButton.outlined(