die tenant admin oauth authentifizierung wurde implementiert und funktioniert jetzt. Zudem wurde das marketing frontend dashboard implementiert.

resources/js/admin/pages/WelcomeTeaserPage.tsx

@@ -1,9 +1,7 @@
 import React from 'react';
-import { useNavigate } from 'react-router-dom';
 import { Sparkles, Users, Camera, Heart, ArrowRight } from 'lucide-react';
-import { Button } from '@/components/ui/button';
-import { ADMIN_HOME_PATH } from '../constants';
-import { useAuth } from '../auth/context';
+import { ADMIN_DEFAULT_AFTER_LOGIN_PATH } from '../constants';
+import { buildAdminOAuthStartPath, buildMarketingLoginUrl, resolveReturnTarget } from '../lib/returnTo';
 
 const highlights = [
   {
@@ -27,8 +25,23 @@ const highlights = [
 ];
 
 export default function WelcomeTeaserPage() {
-  const navigate = useNavigate();
-  const { login } = useAuth();
+  const [isRedirecting, setIsRedirecting] = React.useState(false);
+
+  const handleLoginRedirect = React.useCallback(() => {
+    if (isRedirecting) {
+      return;
+    }
+
+    setIsRedirecting(true);
+
+    const params = new URLSearchParams(window.location.search);
+    const rawReturnTo = params.get('return_to');
+    const { finalTarget, encodedFinal } = resolveReturnTarget(rawReturnTo, ADMIN_DEFAULT_AFTER_LOGIN_PATH);
+    const oauthStartPath = buildAdminOAuthStartPath(finalTarget, encodedFinal);
+    const marketingLoginUrl = buildMarketingLoginUrl(oauthStartPath);
+
+    window.location.href = marketingLoginUrl;
+  }, [isRedirecting]);
 
   return (
     <div className="min-h-screen bg-gradient-to-br from-rose-50 via-white to-sky-50 text-slate-800">
@@ -48,9 +61,10 @@ export default function WelcomeTeaserPage() {
           <button
             type="button"
             className="group inline-flex items-center justify-center gap-2 rounded-full border border-transparent bg-white px-6 py-3 text-base font-semibold text-rose-500 shadow-sm transition hover:border-rose-200 hover:text-rose-600"
-            onClick={() => login(ADMIN_HOME_PATH)}
+            onClick={handleLoginRedirect}
+            disabled={isRedirecting}
           >
-            Ich habe bereits Zugang
+            {isRedirecting ? 'Weiterleitung ...' : 'Ich habe bereits Zugang'}
             <ArrowRight className="h-4 w-4 transition group-hover:translate-x-0.5" />
           </button>
         </div>