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Prefab/Data/Entities/AuditLog.cs

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+using Prefab.Domain.Common;
+
+namespace Prefab.Data.Entities;
+
+/// <summary>
+/// Represents an audit log entry that captures an entity state transition.
+/// </summary>
+public class AuditLog : Entity<int>, ICreated
+{
+    /// <summary>
+    /// Gets or sets the correlation identifier tying related audit events together.
+    /// </summary>
+    public Guid CorrelationId { get; set; }
+
+    /// <summary>
+    /// Gets or sets the fully qualified entity name that generated the audit record.
+    /// </summary>
+    public string Entity { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the serialized state of the entity when the audit was captured.
+    /// </summary>
+    public string State { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the collection of field-level changes associated with the audit.
+    /// </summary>
+    public virtual ICollection<AuditLogItem> Items { get; set; } = new List<AuditLogItem>();
+
+    /// <summary>
+    /// Gets or sets the identifier of the user who triggered the change.
+    /// </summary>
+    public Guid CreatedBy { get; set; }
+
+    /// <summary>
+    /// Gets or sets the timestamp when the change occurred.
+    /// </summary>
+    public DateTimeOffset CreatedOn { get; set; }
+}