feat(notification): implement idempotent email delivery system and update related services

database/migrations/2026_09_14_000000_create_email_deliveries_table.php

@@ -0,0 +1,34 @@
+<?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('email_deliveries', function (Blueprint $table): void {
+            $table->id();
+            $table->string('idempotency_key')->unique();
+            $table->string('email_type')->index();
+            $table->string('tenant_code')->nullable()->index();
+            $table->string('status')->index();
+            $table->unsignedInteger('attempts')->default(0);
+            $table->json('context')->nullable();
+            $table->string('recipient_fingerprint', 64)->nullable();
+            $table->uuid('claim_token')->nullable()->index();
+            $table->timestamp('claimed_at')->nullable();
+            $table->timestamp('lease_expires_at')->nullable()->index();
+            $table->timestamp('sent_at')->nullable();
+            $table->timestamp('failed_at')->nullable();
+            $table->text('last_error')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('email_deliveries');
+    }
+};

database/migrations/2026_09_14_000000_create_event_date_notification_deliveries_table.php

@@ -1,28 +0,0 @@
-<?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');
-    }
-};