feat(ticket): add source IDs to tickets and update related services and tests

database/migrations/2026_07_21_000300_add_source_ids_to_tickets_table.php

@@ -0,0 +1,23 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->unsignedBigInteger('source_catalog_item_id')->nullable()->after('description');
+            $table->unsignedBigInteger('source_variant_id')->nullable()->after('source_catalog_item_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('tickets', function (Blueprint $table): void {
+            $table->dropColumn(['source_catalog_item_id', 'source_variant_id']);
+        });
+    }
+};