authenticate method
Triggers a system biometric prompt with the specified reason.
Returns true if the user successfully authenticated.
Implementation
Future<bool> authenticate({String reason = 'Authenticate to continue'}) {
if (reason.trim().isEmpty) {
throw ArgumentError.value(
reason,
'reason',
'Authentication reason cannot be empty.',
);
}
return NexoraSdkPlatform.instance.authenticate(reason);
}