Add EnvelopeReport entity mapped to VWSIG_ENVELOPE_REPORT

Introduced the EnvelopeReport class in the Domain.Entities namespace, mapped to the "VWSIG_ENVELOPE_REPORT" table using EF Core data annotations. The entity includes properties for envelope ID, head UUID, title, message, status, timestamp, and user, with appropriate column mappings and validation attributes.

EnvelopeGenerator.Domain/Entities/EnvelopeReport.cs

@@ -0,0 +1,36 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace EnvelopeGenerator.Domain.Entities
+{
+    [Table("VWSIG_ENVELOPE_REPORT", Schema = "dbo")]
+    public class EnvelopeReport
+    {
+        [Column("ENVELOPE_ID", TypeName = "int")]
+        [Required]
+        public int EnvelopeId { get; set; }
+
+        [Column("HEAD_UUID", TypeName = "nvarchar(36)")]
+        [Required]
+        public string HeadUuid { get; set; }
+
+        [Column("HEAD_TITLE", TypeName = "nvarchar(128)")]
+        public string HeadTitle { get; set; }
+
+        [Column("HEAD_MESSAGE", TypeName = "nvarchar(max)")]
+        [Required]
+        public string HeadMessage { get; set; }
+
+        [Column("POS_STATUS", TypeName = "int")]
+        [Required]
+        public int PosStatus { get; set; }
+
+        [Column("POS_WHEN", TypeName = "datetime")]
+        public DateTime? PosWhen { get; set; }
+
+        [Column("POS_WHO", TypeName = "nvarchar(128)")]
+        [Required]
+        public string PosWho { get; set; }
+    }
+}