anchor.diff:          code = OathCode(_formatSteam(result['response']), timeStep * 30,
               (timeStep + 1) * 30);
         } else {
  -        var result = await _session.command('code',
  -            target: ['accounts', credential.id], signal: signaler);
  +        var result = await _session.command(
  +          'code',
  +          target: ['accounts', credential.id],
  +          params: {'timestamp': now},
  +          signal: signaler,
  +        );
           code = OathCode.fromJson(result);
         }
         _log.debug('Calculate', jsonEncode(code));
  
positive.code:         }
        });
        if (credential.isSteam) {
          final timeStep = DateTime.now().millisecondsSinceEpoch ~/ 30000;
          var result = await _session.command('calculate',
              target: ['accounts', credential.id],
              params: {
  
negative.code:   @override
    Future<OathCode> calculate(OathCredential credential,
        {bool update = true}) async {
      var now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
      if (update) {
        // Manually triggered, need to pad timer to avoid immediate expiration
        now += 10;
      }
      final OathCode code;
      final signaler = Signaler();
      UserInteractionController? controller;
  