Start to build app skeleton

moneymgr_mobile/lib/utils/provider_observer.dart

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+import 'package:flutter/foundation.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+/// A utility to observe Riverpod providers.
+class AppProviderObserver extends ProviderObserver {
+  @override
+  void didAddProvider(
+    ProviderBase<Object?> provider,
+    Object? value,
+    ProviderContainer container,
+  ) {
+    debugPrint('Provider $provider was initialized with $value');
+  }
+
+  @override
+  void didDisposeProvider(
+    ProviderBase<Object?> provider,
+    ProviderContainer container,
+  ) {
+    debugPrint('Provider $provider was disposed');
+  }
+
+  @override
+  void didUpdateProvider(
+    ProviderBase<Object?> provider,
+    Object? previousValue,
+    Object? newValue,
+    ProviderContainer container,
+  ) {
+    debugPrint('Provider $provider updated from $previousValue to $newValue');
+  }
+
+  @override
+  void providerDidFail(
+    ProviderBase<Object?> provider,
+    Object error,
+    StackTrace stackTrace,
+    ProviderContainer container,
+  ) {
+    debugPrint('Provider $provider threw $error at $stackTrace');
+  }
+}