Creation of EF Core Migrations - these execute using EF Tools, but are not integrated to run programmatically

Oqtane.Server/Migrations/EntityBuilders/RoleEntityBuilder.cs

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+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations.Builders;
+using Oqtane.Migrations.Extensions;
+
+// ReSharper disable MemberCanBePrivate.Global
+// ReSharper disable UnusedAutoPropertyAccessor.Global
+
+namespace Oqtane.Migrations.EntityBuilders
+{
+    public class RoleEntityBuilder : AuditableBaseEntityBuilder<RoleEntityBuilder>
+    {
+        private const string _entityTableName = "Role";
+        private readonly PrimaryKey<RoleEntityBuilder> _primaryKey = new("PK_Role", x => x.RoleId);
+        private readonly ForeignKey<RoleEntityBuilder> _siteForeignKey = new("FK_Role_Site", x => x.SiteId, "Site", "SiteId", ReferentialAction.Cascade);
+
+        public RoleEntityBuilder(MigrationBuilder migrationBuilder) : base(migrationBuilder)
+        {
+            EntityTableName = _entityTableName;
+            PrimaryKey = _primaryKey;
+            ForeignKeys.Add(_siteForeignKey);
+        }
+
+        protected override RoleEntityBuilder BuildTable(ColumnsBuilder table)
+        {
+            RoleId = table.AddAutoIncrementColumn("RoleId");
+            SiteId = table.AddIntegerColumn("SiteId", true);
+            Name = table.AddStringColumn("Name", 256);
+            Description = table.AddStringColumn("Description", 256);
+            IsAutoAssigned = table.AddBooleanColumn("IsAutoAssigned");
+            IsSystem = table.AddBooleanColumn("IsSystem");
+
+            AddAuditableColumns(table);
+
+            return this;
+        }
+
+        public OperationBuilder<AddColumnOperation> RoleId { get; set; }
+
+        public OperationBuilder<AddColumnOperation> SiteId { get; set; }
+
+        public OperationBuilder<AddColumnOperation> Name { get; set; }
+
+        public OperationBuilder<AddColumnOperation> Description { get; set; }
+
+        public OperationBuilder<AddColumnOperation> IsAutoAssigned { get; set; }
+
+        public OperationBuilder<AddColumnOperation> IsSystem { get; set; }
+    }
+}