feat(auth): complete registration anti-spam and quota hardening

tests/Feature/Auth/RegistrationVerificationMailTest.php

@@ -1,8 +1,10 @@
 <?php
 
+use App\Jobs\SendVerificationEmailJob;
 use App\Mail\RegistrationVerificationMail;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Queue;
 
 uses(RefreshDatabase::class);
 
@@ -28,14 +30,14 @@ it('registration email contains verification link expiry and support url', funct
     expect($html)->toContain('https://skinbase.example/support');
 });
 
-it('registration endpoint still queues verification mail', function () {
-    \Illuminate\Support\Facades\Mail::fake();
+it('registration endpoint queues verification email job', function () {
+    Queue::fake();
 
     $this->post('/register', [
         'email' => 'mail-test@example.com',
     ])->assertRedirect('/register/notice');
 
-    \Illuminate\Support\Facades\Mail::assertQueued(RegistrationVerificationMail::class);
+    Queue::assertPushed(SendVerificationEmailJob::class);
     $this->assertDatabaseHas('users', [
         'email' => 'mail-test@example.com',
         'onboarding_step' => 'email',