Initial code commit.

Sufi.Demo.PeopleDirectory.Persistence/Models/Audit/Audit.cs

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+using Sufi.Demo.PeopleDirectory.Domain.Common;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Sufi.Demo.PeopleDirectory.Persistence.Models.Audit
+{
+	public class Audit : IEntity<int>
+	{
+		public int Id { get; set; }
+		[Column(TypeName = "character varying(100)")]
+		public string? UserId { get; set; }
+		[Column(TypeName = "character varying(20)")]
+		public string Type { get; set; } = null!;
+		[Column(TypeName = "character varying(50)")]
+		public string TableName { get; set; } = null!;
+		public DateTime DateTime { get; set; }
+		[Column(TypeName = "character varying(255)")]
+		public string? OldValues { get; set; }
+		[Column(TypeName = "character varying(255)")]
+		public string? NewValues { get; set; }
+		[Column(TypeName = "character varying(100)")]
+		public string? AffectedColumns { get; set; }
+		[Column(TypeName = "character varying(100)")]
+		public string PrimaryKey { get; set; } = null!;
+	}
+}

Sufi.Demo.PeopleDirectory.Persistence/Models/Audit/AuditEntry.cs

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+using Microsoft.EntityFrameworkCore.ChangeTracking;
+using Sufi.Demo.PeopleDirectory.Application.Enums;
+using System.Text.Json;
+
+namespace Sufi.Demo.PeopleDirectory.Persistence.Models.Audit
+{
+	public class AuditEntry(EntityEntry entry)
+	{
+		public EntityEntry Entry { get; } = entry;
+		public string? UserId { get; set; }
+		public string TableName { get; set; } = null!;
+		public Dictionary<string, object?> KeyValues { get; } = new();
+		public Dictionary<string, object?> OldValues { get; } = new();
+		public Dictionary<string, object?> NewValues { get; } = new();
+		public List<PropertyEntry> TemporaryProperties { get; } = new();
+		public AuditType AuditType { get; set; }
+		public List<string> ChangedColumns { get; } = new();
+		public bool HasTemporaryProperties => TemporaryProperties.Any();
+
+		public Audit ToAudit()
+		{
+			var audit = new Audit
+			{
+				UserId = UserId,
+				Type = AuditType.ToString(),
+				TableName = TableName,
+				DateTime = DateTime.UtcNow,
+				PrimaryKey = JsonSerializer.Serialize(KeyValues),
+				OldValues = OldValues.Count == 0 ? null : JsonSerializer.Serialize(OldValues),
+				NewValues = NewValues.Count == 0 ? null : JsonSerializer.Serialize(NewValues),
+				AffectedColumns = ChangedColumns.Count == 0 ? null : JsonSerializer.Serialize(ChangedColumns)
+			};
+			return audit;
+		}
+	}
+}

Sufi.Demo.PeopleDirectory.Persistence/Models/Identity/AppRole.cs

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+using Microsoft.AspNetCore.Identity;
+using Sufi.Demo.PeopleDirectory.Domain.Common;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Sufi.Demo.PeopleDirectory.Persistence.Models.Identity
+{
+	public class AppRole : IdentityRole, IAuditableEntity<string>
+	{
+		[Column(TypeName = "character varying(100)")]
+		public string? Description { get; set; }
+		public string? CreatedBy { get; set; }
+		public DateTime CreatedOn { get; set; }
+		public string? LastModifiedBy { get; set; }
+		public DateTime? LastModifiedOn { get; set; }
+		public virtual ICollection<AppRoleClaim> RoleClaims { get; set; }
+
+		public AppRole() : base()
+		{
+			RoleClaims = new HashSet<AppRoleClaim>();
+		}
+
+		public AppRole(string roleName, string? description = null) : base(roleName)
+		{
+			RoleClaims = new HashSet<AppRoleClaim>();
+			Description = description;
+		}
+	}
+}

Sufi.Demo.PeopleDirectory.Persistence/Models/Identity/AppRoleClaim.cs

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+using Microsoft.AspNetCore.Identity;
+using Sufi.Demo.PeopleDirectory.Domain.Common;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Sufi.Demo.PeopleDirectory.Persistence.Models.Identity
+{
+	public class AppRoleClaim : IdentityRoleClaim<string>, IAuditableEntity<int>
+	{
+		[Column(TypeName = "character varying(100)")]
+		public string? Description { get; set; }
+		[Column(TypeName = "character varying(100)")]
+		public string? Group { get; set; }
+		public string? CreatedBy { get; set; }
+		public DateTime CreatedOn { get; set; }
+		public string? LastModifiedBy { get; set; }
+		public DateTime? LastModifiedOn { get; set; }
+
+		public AppRoleClaim() : base() { }
+
+		public AppRoleClaim(string? description = null, string? group = null) : base()
+		{
+			Description = description;
+			Group = group;
+		}
+	}
+}

Sufi.Demo.PeopleDirectory.Persistence/Models/Identity/AppUser.cs

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+using Microsoft.AspNetCore.Identity;
+using Sufi.Demo.PeopleDirectory.Domain.Common;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Sufi.Demo.PeopleDirectory.Persistence.Models.Identity
+{
+	public class AppUser : IdentityUser<string>, IAuditableEntity<string>
+	{
+		public bool IsActive { get; set; }
+		public bool IsDeleted { get; set; }
+		public DateTime? DeletedOn { get; set; }
+		public string? CreatedBy { get; set; }
+		public DateTime CreatedOn { get; set; }
+		public string? LastModifiedBy { get; set; }
+		public DateTime? LastModifiedOn { get; set; }
+	}
+}