feat(notification): email event date changes

database/migrations/2026_09_14_000000_create_event_date_notification_deliveries_table.php

@@ -0,0 +1,28 @@
+<?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::create('event_date_notification_deliveries', function (Blueprint $table): void {
+            $table->id();
+            $table->string('notification_key')->unique();
+            $table->string('notification_type');
+            $table->string('tenant_code');
+            $table->unsignedBigInteger('event_date_id');
+            $table->unsignedBigInteger('destination_event_date_id')->nullable();
+            $table->unsignedBigInteger('purchase_id');
+            $table->timestamp('sent_at')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('event_date_notification_deliveries');
+    }
+};