feat(EnvelopeSmsHandler): Methode VerifyTotp hinzugefügt, um Totp mit TotpVerificationWindow von TotpSmsParams zu verifizieren.

EnvelopeGenerator.Application/Services/EnvelopeSmsHandler.cs

@@ -47,4 +47,7 @@ public class EnvelopeSmsHandler : IEnvelopeSmsHandler
             return (await _sender.SendSmsAsync(er_secret.PhoneNumber!, msg), new_expiration);
         }
     }
+
+    public bool VerifyTotp(string totpCode, string secretKey) => _codeGenerator
+        .VerifyTotp(totpCode, secretKey, _totpSmsParams.TotpStep, _totpSmsParams.TotpVerificationWindow);
 }