feat(tenant): enhance storefront website types with header_type and multi-event support

database/migrations/2026_09_17_000100_add_header_type_to_storefront_website_types.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('storefront_website_types', function (Blueprint $table): void {
+            $table->string('header_type')->default('standard');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('storefront_website_types', function (Blueprint $table): void {
+            $table->dropColumn('header_type');
+        });
+    }
+};