complete story 8.4 with qa tests

app/Providers/AppServiceProvider.php

@@ -3,6 +3,8 @@
 namespace App\Providers;
 
 use App\Listeners\LogFailedLoginAttempt;
+use App\Models\Consultation;
+use App\Observers\ConsultationObserver;
 use Illuminate\Auth\Events\Failed;
 use Illuminate\Support\Facades\Event;
 use Illuminate\Support\ServiceProvider;
@@ -23,5 +25,7 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         Event::listen(Failed::class, LogFailedLoginAttempt::class);
+
+        Consultation::observe(ConsultationObserver::class);
     }
 }