Add guest push notifications and queue alerts

database/migrations/2025_11_12_201445_create_push_subscriptions_table.php

@@ -0,0 +1,49 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('push_subscriptions', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('event_id')->constrained()->cascadeOnDelete();
+            $table->string('guest_identifier', 120)->nullable();
+            $table->string('device_id', 120);
+            $table->string('endpoint', 500)->unique();
+            $table->string('endpoint_hash', 128)->index();
+            $table->string('public_key', 255);
+            $table->string('auth_token', 255);
+            $table->string('content_encoding', 32)->default('aes128gcm');
+            $table->string('status', 32)->default('active');
+            $table->timestamp('expires_at')->nullable();
+            $table->timestamp('last_seen_at')->nullable();
+            $table->timestamp('last_notified_at')->nullable();
+            $table->timestamp('last_failed_at')->nullable();
+            $table->unsignedSmallInteger('failure_count')->default(0);
+            $table->string('language', 12)->nullable();
+            $table->string('user_agent', 255)->nullable();
+            $table->json('meta')->nullable();
+            $table->timestamps();
+
+            $table->index(['event_id', 'status']);
+            $table->index(['event_id', 'guest_identifier']);
+            $table->index(['event_id', 'device_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('push_subscriptions');
+    }
+};