Fix MakerWorld 2FA duplicate email loop and add email SMTP diagnostics

app/Console/Commands/TestMailCommand.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Mail;
+use Throwable;
+
+class TestMailCommand extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'app:test-mail {email : Het e-mailadres van de ontvanger (bijv. je eigen Gmail)}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Verstuur een test e-mail en controleer de mailer/SMTP verbinding';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(): int
+    {
+        $recipient = $this->argument('email');
+        $defaultMailer = config('mail.default');
+        $smtpConfig = config("mail.mailers.{$defaultMailer}", []);
+        $fromAddress = config('mail.from.address');
+        $fromName = config('mail.from.name');
+
+        $this->info('=== Jouwdriedee.nl E-mail & SMTP Diagnostiek ===');
+        $this->table(['Instelling', 'Waarde'], [
+            ['Actieve Mailer (MAIL_MAILER)', $defaultMailer],
+            ['Verzender Adres (MAIL_FROM_ADDRESS)', $fromAddress],
+            ['Verzender Naam (MAIL_FROM_NAME)', $fromName],
+            ['SMTP Host', $smtpConfig['host'] ?? 'N.v.t. (geen smtp)'],
+            ['SMTP Poort', $smtpConfig['port'] ?? 'N.v.t.'],
+            ['SMTP Gebruiker', ! empty($smtpConfig['username']) ? $smtpConfig['username'] : '(geen / leeg)'],
+            ['SMTP Wachtwoord ingesteld?', ! empty($smtpConfig['password']) ? 'Ja' : 'Nee'],
+            ['Ontvanger', $recipient],
+        ]);
+
+        if ($defaultMailer === 'log') {
+            $this->warn("⚠️  WAARSCHUWING: MAIL_MAILER staat momenteel op 'log'!");
+            $this->warn('Dit betekent dat er GEEN echte mail via internet wordt verzonden naar Gmail.');
+            $this->warn('De mail wordt weggeschreven naar storage/logs/laravel.log.');
+            $this->warn('Stel MAIL_MAILER=smtp in met geldige SMTP-gegevens op Coolify om echte mails te ontvangen.');
+        }
+
+        $this->line("\nVersturen van testmail naar {$recipient}...");
+
+        try {
+            Mail::raw("Dit is een test e-mail vanaf Jouwdriedee.nl om te controleren of de mailserver en bezorging naar {$recipient} correct functioneert.\n\nVerzonden op: ".now()->toIso8601String(), function ($message) use ($recipient) {
+                $message->to($recipient)
+                    ->subject('Test E-mail vanaf Jouwdriedee.nl');
+            });
+
+            $this->info("✓ Test e-mail succesvol verzonden via driver '{$defaultMailer}'!");
+            if ($defaultMailer === 'log') {
+                $this->comment('Controleer storage/logs/laravel.log om de gelogde e-mail te zien.');
+            } else {
+                $this->info("Controleer nu je inbox (en eventueel spambox) op {$recipient}.");
+            }
+
+            return self::SUCCESS;
+        } catch (Throwable $e) {
+            $this->error('❌ FOUT BIJ HET VERZENDEN:');
+            $this->error($e->getMessage());
+            $this->line("\nStack trace:");
+            $this->line($e->getTraceAsString());
+
+            return self::FAILURE;
+        }
+    }
+}

app/Http/Controllers/Admin/ContentController.php

@@ -6,6 +6,8 @@ use App\Http\Controllers\Controller;
 use App\Models\Setting;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Mail;
 use Illuminate\View\View;
 
 class ContentController extends Controller
@@ -132,4 +134,38 @@ class ContentController extends Controller
         return redirect()->route('admin.content.index')
             ->with('success', 'Alle teksten en lay-out instellingen zijn hersteld naar de standaarden.');
     }
+
+    /**
+     * Send a test email to verify mail delivery (e.g. to Gmail).
+     */
+    public function sendTestMail(Request $request): RedirectResponse
+    {
+        $validated = $request->validate([
+            'test_email' => 'required|email',
+        ]);
+
+        $recipient = $validated['test_email'];
+        $defaultMailer = config('mail.default');
+        $fromAddress = config('mail.from.address');
+
+        try {
+            Mail::raw("Dit is een test e-mail vanaf Jouwdriedee.nl om de e-mail bezorging naar {$recipient} te controleren.\n\nActieve mailer: {$defaultMailer}\nAfzender: {$fromAddress}\nDatum: ".now()->format('d-m-Y H:i:s'), function ($message) use ($recipient) {
+                $message->to($recipient)
+                    ->subject('Test E-mail vanaf Jouwdriedee.nl');
+            });
+
+            if ($defaultMailer === 'log') {
+                return redirect()->back()
+                    ->with('warning', "De testmail is weggeschreven naar de serverlogs (MAIL_MAILER staat op 'log'). Er is GEEN echte e-mail naar {$recipient} verzonden. Stel op Coolify geldige SMTP-gegevens in (bijv. Brevo, Resend of je hosting SMTP) om echte e-mails te bezorgen.");
+            }
+
+            return redirect()->back()
+                ->with('success', "Test e-mail succesvol verzonden via driver '{$defaultMailer}' naar {$recipient}! Controleer je inbox en eventueel je spambox.");
+        } catch (\Throwable $e) {
+            Log::error('Test mail error: '.$e->getMessage(), ['trace' => $e->getTraceAsString()]);
+
+            return redirect()->back()
+                ->with('error', "Fout bij verzenden van e-mail via {$defaultMailer}: ".$e->getMessage());
+        }
+    }
 }

app/Http/Controllers/Admin/MakerWorldController.php

@@ -337,13 +337,13 @@ class MakerWorldController extends Controller
 
         if ($result['status'] === '2fa_required') {
             return redirect()
-                ->route('admin.makerworld.index')
+                ->route('admin.makerworld.index', ['tab' => 'auth'])
                 ->with('warning', $result['message'])
                 ->with('makerworld_2fa_account', $result['account']);
         }
 
         return redirect()
-            ->route('admin.makerworld.index')
+            ->route('admin.makerworld.index', ['tab' => 'auth'])
             ->with('error', $result['message']);
     }
 
@@ -369,11 +369,28 @@ class MakerWorldController extends Controller
         }
 
         return redirect()
-            ->route('admin.makerworld.index')
+            ->route('admin.makerworld.index', ['tab' => 'auth'])
             ->with('error', $result['message'])
             ->with('makerworld_2fa_account', $validated['account']);
     }
 
+    /**
+     * Resend verification code for 2FA manually on request.
+     */
+    public function resendCode(Request $request): RedirectResponse
+    {
+        $validated = $request->validate([
+            'account' => 'required|string',
+        ]);
+
+        $sent = $this->makerWorld->sendEmailVerificationCode($validated['account']);
+
+        return redirect()
+            ->route('admin.makerworld.index', ['tab' => 'auth'])
+            ->with($sent ? 'success' : 'error', $sent ? 'Er is een nieuwe verificatiecode verstuurd naar je e-mail.' : 'Kon verificatiecode niet opnieuw verzenden.')
+            ->with('makerworld_2fa_account', $validated['account']);
+    }
+
     /**
      * Save MakerWorld session / bearer token directly.
      */

app/Http/Controllers/Auth/ForgotPasswordController.php

@@ -11,6 +11,7 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Mail;
 use Illuminate\Support\Str;
 use Illuminate\Validation\ValidationException;
@@ -61,6 +62,7 @@ class ForgotPasswordController extends Controller
         try {
             Mail::to($user->email)->send(new PasswordResetMail($user, $resetUrl));
         } catch (Throwable $e) {
+            Log::error("Fout bij verzenden van wachtwoordherstel e-mail naar {$user->email}: ".$e->getMessage());
             report($e);
         }
 

app/Http/Controllers/Auth/RegisterController.php

@@ -9,6 +9,7 @@ use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Mail;
 use Illuminate\View\View;
 use Throwable;
@@ -56,6 +57,7 @@ class RegisterController extends Controller
         try {
             Mail::to($user->email)->send(new WelcomeMail($user));
         } catch (Throwable $e) {
+            Log::error("Fout bij verzenden van welkomstmail naar {$user->email}: ".$e->getMessage());
             report($e);
         }
 

app/Services/MakerWorldService.php

@@ -111,14 +111,12 @@ class MakerWorldService
                 ];
             }
 
-            // Check if 2FA code is needed
+            // Check if 2FA code is needed (Bambu Lab sends the code automatically when verifyCode is returned)
             if (isset($data['loginType']) && $data['loginType'] === 'verifyCode') {
-                $this->sendEmailVerificationCode($account);
-
                 return [
                     'status' => '2fa_required',
                     'account' => $account,
-                    'message' => 'Verificatiecode vereist. We hebben een 6-cijferige code naar je e-mail gestuurd.',
+                    'message' => 'Verificatiecode vereist. Bambu Lab heeft een 6-cijferige verificatiecode naar je e-mail gestuurd.',
                 ];
             }
 

resources/views/admin/content/index.blade.php

@@ -97,6 +97,16 @@
                 <i data-lucide="settings" class="w-3.5 h-3.5"></i>
                 <span>6. Algemeen & Thema</span>
             </button>
+
+            <button 
+                type="button" 
+                @click="activeTab = 'email'" 
+                :class="activeTab === 'email' ? 'bg-amber-400 text-slate-950 shadow-sm' : 'bg-slate-800 text-slate-300 hover:bg-slate-700'"
+                class="px-4 py-2.5 rounded-xl transition flex items-center space-x-1.5 whitespace-nowrap cursor-pointer"
+            >
+                <i data-lucide="mail" class="w-3.5 h-3.5"></i>
+                <span>7. E-mail & SMTP Testen</span>
+            </button>
         </div>
 
         <!-- ==================================================== -->
@@ -508,6 +518,119 @@
             </div>
         </div>
 
+        <!-- ==================================================== -->
+        <!-- TAB 7: E-MAIL & SMTP DIAGNOSTIEK -->
+        <!-- ==================================================== -->
+        <div x-show="activeTab === 'email'" class="space-y-6">
+            <div class="p-6 rounded-3xl bg-slate-900 border border-slate-800 space-y-6">
+                <div class="border-b border-slate-800 pb-3 flex items-center justify-between">
+                    <div>
+                        <h3 class="font-heading font-black text-lg text-white flex items-center space-x-2">
+                            <i data-lucide="mail-check" class="w-5 h-5 text-amber-400"></i>
+                            <span>E-mail & SMTP Status</span>
+                        </h3>
+                        <p class="text-xs text-slate-400">Controleer waarom wachtwoordherstel- en registratiemails wel of niet aankomen op Gmail.</p>
+                    </div>
+                    @php
+                        $activeMailer = config('mail.default');
+                    @endphp
+                    <span class="px-3 py-1 rounded-full text-xs font-black uppercase tracking-wider {{ $activeMailer === 'log' ? 'bg-amber-400/20 text-amber-400 border border-amber-400/40' : 'bg-emerald-500/20 text-emerald-400 border border-emerald-500/40' }}">
+                        Driver: {{ strtoupper($activeMailer) }}
+                    </span>
+                </div>
+
+                @if($activeMailer === 'log')
+                    <div class="p-4 rounded-2xl bg-amber-950/60 border border-amber-400/50 text-amber-200 text-xs space-y-2">
+                        <div class="font-black text-sm flex items-center space-x-2 text-amber-300">
+                            <i data-lucide="alert-triangle" class="w-5 h-5 shrink-0"></i>
+                            <span>Belangrijke Oorzaak: MAIL_MAILER staat op 'log'</span>
+                        </div>
+                        <p>
+                            Momenteel worden uitgaande e-mails (zoals wachtwoord vergeten en welkomstmails) weggeschreven naar de serverlogbestanden en <strong>niet via internet naar Gmail verzonden</strong>.
+                        </p>
+                        <p>
+                            Om echte e-mails te versturen, moet op de server (Coolify Environment Variables) <code class="bg-slate-950 px-1.5 py-0.5 rounded text-amber-400 font-mono font-bold">MAIL_MAILER=smtp</code> ingesteld worden met de bijbehorende SMTP-host, poort en wachtwoord.
+                        </p>
+                    </div>
+                @endif
+
+                <!-- Server SMTP Overview Table -->
+                <div class="grid grid-cols-1 md:grid-cols-2 gap-4 text-xs">
+                    <div class="p-4 rounded-2xl bg-slate-950 border border-slate-800 space-y-2">
+                        <div class="font-bold text-slate-400 uppercase tracking-wider text-[10px]">Huidige Server Mail Instellingen</div>
+                        <div class="flex justify-between py-1 border-b border-slate-800">
+                            <span class="text-slate-400">MAIL_MAILER:</span>
+                            <span class="font-mono text-white font-bold">{{ config('mail.default') }}</span>
+                        </div>
+                        <div class="flex justify-between py-1 border-b border-slate-800">
+                            <span class="text-slate-400">MAIL_HOST:</span>
+                            <span class="font-mono text-white font-bold">{{ config('mail.mailers.smtp.host') ?: '(geen)' }}</span>
+                        </div>
+                        <div class="flex justify-between py-1 border-b border-slate-800">
+                            <span class="text-slate-400">MAIL_PORT:</span>
+                            <span class="font-mono text-white font-bold">{{ config('mail.mailers.smtp.port') ?: '(geen)' }}</span>
+                        </div>
+                        <div class="flex justify-between py-1 border-b border-slate-800">
+                            <span class="text-slate-400">MAIL_USERNAME:</span>
+                            <span class="font-mono text-white font-bold">{{ config('mail.mailers.smtp.username') ?: '(geen)' }}</span>
+                        </div>
+                        <div class="flex justify-between py-1 border-b border-slate-800">
+                            <span class="text-slate-400">MAIL_FROM_ADDRESS:</span>
+                            <span class="font-mono text-amber-400 font-bold">{{ config('mail.from.address') }}</span>
+                        </div>
+                    </div>
+
+                    <div class="p-4 rounded-2xl bg-slate-950 border border-slate-800 space-y-2">
+                        <div class="font-bold text-slate-400 uppercase tracking-wider text-[10px]">Gmail Bezorging Checklist</div>
+                        <ul class="space-y-1.5 text-slate-300">
+                            <li class="flex items-start space-x-2">
+                                <span class="text-amber-400 font-bold shrink-0">1.</span>
+                                <span><strong>SMTP Provider:</strong> Gebruik een werkende SMTP server (bijv. Brevo, Resend, Mailgun of Versio mail).</span>
+                            </li>
+                            <li class="flex items-start space-x-2">
+                                <span class="text-amber-400 font-bold shrink-0">2.</span>
+                                <span><strong>SPF DNS Record:</strong> Google vereist een SPF TXT-record op <code class="font-mono text-amber-400">jouwdriedee.nl</code>.</span>
+                            </li>
+                            <li class="flex items-start space-x-2">
+                                <span class="text-amber-400 font-bold shrink-0">3.</span>
+                                <span><strong>DKIM & DMARC:</strong> Zonder DKIM plaatst Gmail emails van nieuwe domeinen direct in de Spammap.</span>
+                            </li>
+                        </ul>
+                    </div>
+                </div>
+
+                <!-- Test Email Form -->
+                <div class="p-5 rounded-2xl bg-slate-950 border border-slate-800 space-y-3">
+                    <div class="font-bold text-white text-xs flex items-center space-x-2">
+                        <i data-lucide="send" class="w-4 h-4 text-amber-400"></i>
+                        <span>Direct een Test E-mail Versturen</span>
+                    </div>
+                    <p class="text-xs text-slate-400">
+                        Vul hier een e-mailadres in (bijv. je eigen Gmail) om direct te testen of e-mails aankomen en of de verbinding met de mailserver slaagt.
+                    </p>
+                    <div class="flex flex-col sm:flex-row gap-3 pt-1">
+                        <input 
+                            type="email" 
+                            name="test_email" 
+                            value="{{ auth()->user()->email ?? 'info@jouwdriedee.nl' }}" 
+                            placeholder="jouw-email@gmail.com" 
+                            class="flex-1 bg-slate-900 border border-slate-700 rounded-xl px-3.5 py-2.5 text-xs text-white font-mono placeholder-slate-600 focus:outline-none focus:ring-2 focus:ring-amber-400"
+                        >
+                        <button 
+                            type="submit" 
+                            formaction="{{ route('admin.content.test-mail') }}" 
+                            formmethod="POST" 
+                            class="px-5 py-2.5 rounded-xl bg-amber-400 hover:bg-amber-300 text-slate-950 font-black text-xs uppercase tracking-wider transition flex items-center justify-center space-x-2 shrink-0 cursor-pointer shadow-lg shadow-amber-400/20"
+                        >
+                            <i data-lucide="send" class="w-4 h-4"></i>
+                            <span>Verstuur Testmail</span>
+                        </button>
+                    </div>
+                </div>
+
+            </div>
+        </div>
+
         <!-- Sticky Save Action Bar -->
         <div class="sticky bottom-4 z-20 p-4 rounded-2xl bg-slate-900/95 backdrop-blur-md border border-amber-400/30 shadow-2xl flex items-center justify-between">
             <div class="flex items-center space-x-2 text-xs text-slate-300 font-bold">

resources/views/admin/makerworld/index.blade.php

@@ -62,7 +62,65 @@
             </div>
         @endif
 
-        <!-- Tab Bar -->
+        <!-- 2FA Verificatiecode Invoerscherm (Bambu Lab) -->
+        @if(session('makerworld_2fa_account'))
+            <div class="bg-gradient-to-r from-slate-900 to-amber-950/80 p-6 sm:p-8 rounded-3xl border-2 border-amber-400 shadow-2xl">
+                <div class="max-w-xl mx-auto text-center space-y-4">
+                    <div class="w-16 h-16 rounded-2xl bg-amber-400/20 text-amber-400 flex items-center justify-center mx-auto shadow-inner">
+                        <i data-lucide="shield-check" class="w-8 h-8"></i>
+                    </div>
+                    <div>
+                        <span class="px-3 py-1 rounded-full text-xs font-black uppercase tracking-wider bg-amber-400 text-slate-950">
+                            Stap 2: Twee-staps Verificatie (2FA)
+                        </span>
+                        <h2 class="text-2xl font-black text-white mt-2">Bambu Lab Verificatiecode</h2>
+                        <p class="text-xs text-slate-300 mt-1">
+                            Vul de 6-cijferige verificatiecode in die Bambu Lab zojuist heeft verzonden naar <strong class="text-amber-300 font-mono">{{ session('makerworld_2fa_account') }}</strong>.
+                        </p>
+                    </div>
+
+                    <form action="{{ route('admin.makerworld.verify-code') }}" method="POST" class="mt-4 space-y-4">
+                        @csrf
+                        <input type="hidden" name="account" value="{{ session('makerworld_2fa_account') }}">
+                        
+                        <div class="flex justify-center">
+                            <input 
+                                type="text" 
+                                name="code" 
+                                maxlength="6" 
+                                placeholder="123456" 
+                                autofocus 
+                                required
+                                class="w-56 text-center text-3xl font-mono font-black tracking-widest px-4 py-3 bg-slate-950 border-2 border-amber-400 rounded-2xl text-amber-300 focus:outline-none focus:ring-4 focus:ring-amber-400/30 placeholder-slate-700"
+                            >
+                        </div>
+
+                        <div class="flex items-center justify-center space-x-3 pt-2">
+                            <button type="submit" class="px-8 py-3 bg-amber-400 hover:bg-amber-300 text-slate-950 font-black rounded-2xl text-xs uppercase tracking-wider shadow-lg shadow-amber-400/20 transition flex items-center space-x-2">
+                                <i data-lucide="check" class="w-4 h-4"></i>
+                                <span>Verifieer Code & Inloggen</span>
+                            </button>
+                        </div>
+                    </form>
+
+                    <div class="pt-3 border-t border-slate-800/80 flex items-center justify-center space-x-6 text-xs text-slate-400">
+                        <form action="{{ route('admin.makerworld.resend-code') }}" method="POST">
+                            @csrf
+                            <input type="hidden" name="account" value="{{ session('makerworld_2fa_account') }}">
+                            <button type="submit" class="hover:text-amber-400 underline font-bold transition">
+                                Geen code ontvangen? Verstuur opnieuw
+                            </button>
+                        </form>
+                        <span>&bull;</span>
+                        <a href="{{ route('admin.makerworld.index', ['tab' => 'auth']) }}" class="hover:text-slate-300 underline font-bold transition">
+                            Ander account proberen
+                        </a>
+                    </div>
+                </div>
+            </div>
+        @endif
+
+        <!-- TAB Bar -->
         <div class="flex items-center space-x-2 border-b border-slate-800 pb-2 overflow-x-auto text-sm font-bold">
             <a href="{{ route('admin.makerworld.index', ['tab' => 'collections']) }}" class="px-4 py-2 rounded-xl transition flex items-center space-x-2 {{ $currentTab === 'collections' ? 'bg-amber-400 text-slate-950 font-black' : 'text-slate-400 hover:text-white hover:bg-slate-900' }}">
                 <i data-lucide="folder-sync" class="w-4 h-4"></i>

resources/views/admin/makerworld/staging.blade.php

@@ -353,3 +353,4 @@ function artikelBeheerApp() {
 }
 </script>
 @endsection
+

routes/web.php

@@ -115,6 +115,7 @@ Route::prefix('admin')->name('admin.')->middleware(['auth', 'admin'])->group(fun
     Route::get('/content', [ContentController::class, 'index'])->name('content.index');
     Route::post('/content', [ContentController::class, 'update'])->name('content.update');
     Route::post('/content/reset', [ContentController::class, 'reset'])->name('content.reset');
+    Route::post('/content/test-mail', [ContentController::class, 'sendTestMail'])->name('content.test-mail');
 
     // Producten Beheer
     Route::resource('products', AdminProductController::class)->except(['show']);
@@ -131,6 +132,7 @@ Route::prefix('admin')->name('admin.')->middleware(['auth', 'admin'])->group(fun
     Route::get('/makerworld', [MakerWorldController::class, 'index'])->name('makerworld.index');
     Route::post('/makerworld/login', [MakerWorldController::class, 'login'])->name('makerworld.login');
     Route::post('/makerworld/verify-code', [MakerWorldController::class, 'verifyCode'])->name('makerworld.verify-code');
+    Route::post('/makerworld/resend-code', [MakerWorldController::class, 'resendCode'])->name('makerworld.resend-code');
     Route::post('/makerworld/token', [MakerWorldController::class, 'saveToken'])->name('makerworld.token');
     Route::post('/makerworld/disconnect', [MakerWorldController::class, 'disconnect'])->name('makerworld.disconnect');
     Route::get('/makerworld/preview', [MakerWorldController::class, 'preview'])->name('makerworld.preview');

tests/Feature/AuthAndEmailTest.php

@@ -10,6 +10,7 @@ use App\Models\Material;
 use App\Models\Product;
 use App\Models\User;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Artisan;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Facades\Mail;
@@ -215,4 +216,33 @@ class AuthAndEmailTest extends TestCase
                 && str_contains($mail->envelope()->subject, 'Bestelbevestiging');
         });
     }
+
+    public function test_admin_can_trigger_test_email_via_web_and_cli(): void
+    {
+        Mail::fake();
+
+        $admin = User::create([
+            'name' => 'Admin Jouwdriedee',
+            'email' => 'info@jouwdriedee.nl',
+            'password' => bcrypt('Jw3D!x9#QmK7$vR2'),
+            'is_admin' => true,
+        ]);
+
+        $this->actingAs($admin);
+
+        // Web endpoint
+        $response = $this->post(route('admin.content.test-mail'), [
+            'test_email' => 'testgmail@gmail.com',
+        ]);
+
+        $response->assertRedirect();
+        $response->assertSessionHas('success');
+
+        // CLI command
+        $exitCode = Artisan::call('app:test-mail', [
+            'email' => 'testcli@gmail.com',
+        ]);
+
+        $this->assertEquals(0, $exitCode);
+    }
 }

tests/Feature/MakerWorldImporterTest.php

@@ -215,4 +215,72 @@ class MakerWorldImporterTest extends TestCase
         $disconnectResponse->assertRedirect();
         $this->assertNull(Setting::get('makerworld_token'));
     }
+
+    public function test_makerworld_login_with_2fa_redirects_to_auth_tab_without_duplicate_email(): void
+    {
+        Http::fake([
+            'https://api.bambulab.com/v1/user-service/user/login' => Http::response([
+                'loginType' => 'verifyCode',
+                'message' => 'Verification code sent',
+            ], 200),
+            'https://api.bambulab.com/v1/user-service/user/sendemail/code' => Http::response([
+                'success' => true,
+            ], 200),
+        ]);
+
+        $response = $this->post(route('admin.makerworld.login'), [
+            'account' => 'test2fa@jouwdriedee.nl',
+            'password' => 'secret_pass',
+        ]);
+
+        $response->assertRedirect(route('admin.makerworld.index', ['tab' => 'auth']));
+        $response->assertSessionHas('makerworld_2fa_account', 'test2fa@jouwdriedee.nl');
+
+        // Verify that sendemail/code was NOT called automatically (Bambu Lab already sent it on login)
+        Http::assertNotSent(function ($request) {
+            return str_contains($request->url(), 'sendemail/code');
+        });
+    }
+
+    public function test_makerworld_can_verify_2fa_code(): void
+    {
+        Http::fake([
+            'https://api.bambulab.com/v1/user-service/user/login' => Http::response([
+                'accessToken' => 'token_after_2fa_code_9999',
+            ], 200),
+            'https://api.bambulab.com/v1/design-user-service/my/preference' => Http::response([
+                'uid' => 12345,
+                'name' => 'Verified User',
+            ], 200),
+        ]);
+
+        $response = $this->post(route('admin.makerworld.verify-code'), [
+            'account' => 'test2fa@jouwdriedee.nl',
+            'code' => '123456',
+        ]);
+
+        $response->assertRedirect(route('admin.makerworld.index', ['tab' => 'collections']));
+        $this->assertSame('token_after_2fa_code_9999', Setting::get('makerworld_token'));
+    }
+
+    public function test_makerworld_can_manually_resend_2fa_code(): void
+    {
+        Http::fake([
+            'https://api.bambulab.com/v1/user-service/user/sendemail/code' => Http::response([
+                'success' => true,
+            ], 200),
+        ]);
+
+        $response = $this->post(route('admin.makerworld.resend-code'), [
+            'account' => 'test2fa@jouwdriedee.nl',
+        ]);
+
+        $response->assertRedirect(route('admin.makerworld.index', ['tab' => 'auth']));
+        $response->assertSessionHas('success');
+
+        Http::assertSent(function ($request) {
+            return str_contains($request->url(), 'sendemail/code') &&
+                   $request['email'] === 'test2fa@jouwdriedee.nl';
+        });
+    }
 }