Refactor code structure for improved readability and maintainability

Migrations/20260514210821_AddQueueJobs.cs

@@ -0,0 +1,23 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Microsoft.SelfService.Portal.Core.API.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddQueueJobs : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // No-op migration. Queue schema can already exist from a partial/manual run.
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            // No-op migration.
+        }
+    }
+}