refactor(ticket): use refunds as amount source

database/migrations/2026_09_14_040000_remove_refunded_amount_from_purchase_items.php

@@ -0,0 +1,22 @@
+<?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('compra_items', function (Blueprint $table): void {
+            $table->dropColumn('refunded_amount');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('compra_items', function (Blueprint $table): void {
+            $table->decimal('refunded_amount', 10, 2)->default(0)->after('total');
+        });
+    }
+};