feat: token-secured guest invites, product freeze lock during active events, Outlook ics export and template, realistic test data

app/templates/order_success.html

@@ -5,7 +5,7 @@
   <div class="success-card">
     <div class="success-icon">🎉</div>
     <h1>Bestellung erfolgreich erfasst!</h1>
-    <p class="success-sub">Vielen Dank, <strong>{{ order.user.first_name }} {{ order.user.last_name }}</strong>!</p>
+    <p class="success-sub">Vielen Dank, <strong>{{ order.display_name }}</strong>!</p>
     <p>Deine Brotzeit für <strong>{{ order.event.title }}</strong> ist fest reserviert.</p>
 
     <div class="order-receipt">
@@ -24,9 +24,10 @@
       </div>
     </div>
 
-    <div class="success-actions">
+    <div class="success-actions" style="display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 24px;">
       <a href="/" class="btn-primary">Zurück zur Übersicht</a>
-      <a href="/admin" class="btn-outline">Zum Einkäufer-Cockpit</a>
+      <a href="/events/{{ order.event_id }}/calendar.ics" class="btn-secondary" style="text-decoration: none; display: inline-flex; align-items: center;">📅 Zu Outlook (.ics) hinzufügen</a>
+      <a href="/admin" class="btn-secondary" style="text-decoration: none;">Zum Einkäufer-Cockpit</a>
     </div>
   </div>
 </div>