RejectionReason und IsRejected Eigenschaften zur EnvelopeReceiver Klasse hinzugefügt: RejectionReason speichert REJECTION_REASON und IsRejected zeigt den Ablehnungsstatus an.

EnvelopeGenerator.Domain/Entities/EnvelopeReceiver.cs

@@ -40,6 +40,12 @@ namespace EnvelopeGenerator.Domain.Entities
         [Column("CHANGED_WHEN", TypeName = "datetime")]
         public DateTime? ChangedWhen { get; set; }
 
+        [Column("REJECTION_REASON")]
+        public string? RejectionReason { get; set; }
+
+        [NotMapped]
+        public bool IsRejected => RejectionReason is not null;
+
         [ForeignKey("EnvelopeId")]
         public Envelope? Envelope { get; set; }