Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Http\Controllers\Auth;
+
+use App\Http\Controllers\Controller;
+use App\Models\ActivityLog;
+use App\Models\User;
+use Illuminate\Auth\Events\PasswordReset;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Password;
+use Illuminate\Support\Str;
+use Illuminate\Validation\Rules\Password as PasswordRule;
+use Illuminate\View\View;
+
+class ResetPasswordController extends Controller
+{
+    public function showResetForm(Request $request, string $token): View
+    {
+        return view('auth.reset-password', [
+            'token' => $token,
+            'email' => $request->query('email', ''),
+        ]);
+    }
+
+    public function reset(Request $request): RedirectResponse
+    {
+        $request->validate([
+            'token' => ['required'],
+            'email' => ['required', 'email'],
+            'password' => ['required', 'confirmed', PasswordRule::min(8)->letters()->numbers()],
+        ]);
+
+        $status = Password::reset(
+            $request->only('email', 'password', 'password_confirmation', 'token'),
+            function (User $user, string $password) {
+                $user->forceFill([
+                    'password' => $password,
+                    'remember_token' => Str::random(60),
+                ])->save();
+
+                event(new PasswordReset($user));
+
+                ActivityLog::log(
+                    'password_changed',
+                    __('admin.log_password_changed_self', ['name' => $user->name]),
+                    'User',
+                    $user->id
+                );
+            }
+        );
+
+        if ($status === Password::PASSWORD_RESET) {
+            return redirect()->route('login')
+                ->with('status', __($status));
+        }
+
+        // Generische Fehlermeldung — verhindert Email-Enumeration (T03)
+        return back()
+            ->withInput($request->only('email'))
+            ->withErrors(['email' => __('passwords.token')]);
+    }
+}