feat(EnvelopeReceiver): TFAEnabled-Eigenschaft zu Entität und Basis-Dto hinzugefügt.

EnvelopeGenerator.Domain/Entities/EnvelopeReceiverBase.cs

@@ -46,6 +46,9 @@ namespace EnvelopeGenerator.Domain.Entities
         [RegularExpression(@"^\+[0-9]+$", ErrorMessage = "Phone number must start with '+' followed by digits.")]
         public string? PhoneNumber { get; set; }
 
+        [Column("TFA_ENABLED", TypeName = "bit")]
+        public bool TFAEnabled { get; set; }
+
         [NotMapped]
         public (int Envelope, int Receiver) Id => (Envelope: EnvelopeId, Receiver: ReceiverId);