Add guest push notifications and queue alerts

app/Models/PushSubscription.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class PushSubscription extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'tenant_id',
+        'event_id',
+        'guest_identifier',
+        'device_id',
+        'endpoint',
+        'endpoint_hash',
+        'public_key',
+        'auth_token',
+        'content_encoding',
+        'status',
+        'expires_at',
+        'last_seen_at',
+        'last_notified_at',
+        'last_failed_at',
+        'failure_count',
+        'language',
+        'user_agent',
+        'meta',
+    ];
+
+    protected $casts = [
+        'expires_at' => 'datetime',
+        'last_seen_at' => 'datetime',
+        'last_notified_at' => 'datetime',
+        'last_failed_at' => 'datetime',
+        'meta' => 'array',
+    ];
+
+    public function event(): BelongsTo
+    {
+        return $this->belongsTo(Event::class);
+    }
+
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+}