fill

lib/core/errors/failures.dart

@@ -38,6 +38,15 @@ class CacheFailure extends Failure {
   String toString() => 'CacheFailure: $message';
 }
 
+/// Failure that occurs during authentication
+/// This includes login failures, invalid credentials, expired tokens, etc.
+class AuthenticationFailure extends Failure {
+  const AuthenticationFailure(super.message);
+
+  @override
+  String toString() => 'AuthenticationFailure: $message';
+}
+
 /// Failure that occurs when input validation fails
 class ValidationFailure extends Failure {
   const ValidationFailure(super.message);