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Prefab/Data/Configs/AuditLogItemConfig.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Prefab.Data.Entities;
+
+namespace Prefab.Data.Configs
+{
+    /// <summary>
+    /// Entity Framework Core configuration for the <see cref="AuditLogItem"/> entity.
+    /// </summary>
+    public class AuditLogItemConfig() : Prefab.Data.Configs.EntityConfig<AuditLogItem>(nameof(IPrefabDb.AuditLogItems))
+    {
+        /// <summary>
+        /// Configures the properties and relationships for the <see cref="AuditLogItem"/> entity.
+        /// </summary>
+        /// <param name="builder">The builder to be used to configure the entity type.</param>
+        public override void Configure(EntityTypeBuilder<AuditLogItem> builder)
+        {
+            builder.HasKey(e => e.Id);
+
+            builder.Property(e => e.Property)
+                .HasMaxLength(Rules.PropertyMaxLength)
+                .IsRequired();
+
+            builder.Property(e => e.OldValue)
+                .HasMaxLength(Rules.ValueMaxLength);
+
+            builder.Property(e => e.NewValue)
+                .HasMaxLength(Rules.ValueMaxLength);
+
+            builder.HasOne(e => e.AuditLog)
+                .WithMany(a => a.Items)
+                .HasForeignKey(e => e.AuditLogId)
+                .OnDelete(DeleteBehavior.Cascade);
+        }
+
+        /// <summary>
+        /// Validation rules and settings for <see cref="AuditLogItem"/> properties.
+        /// </summary>
+        public static class Rules
+        {
+            /// <summary>Maximum length for the property name.</summary>
+            public const int PropertyMaxLength = 100;
+            /// <summary>Maximum length for the value fields.</summary>
+            public const int ValueMaxLength = 1000;
+        }
+    }
+}
+