Kundenseite: Kundenansicht oeffnen, letzter Login, Preview per Einmal-Link

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/AssignedProjectCard.jsx

@@ -91,7 +91,7 @@ export default function AssignedProjectCard({ project, onUnassign, showActions =
           )}
         </div>
         <div style={{ display: 'flex', gap: 8, alignItems: 'center', flexShrink: 0 }}>
-          <PreviewLinkButton href={project.previewUrl} />
+          <PreviewLinkButton href={project.previewUrl} subdomain={project.subdomain} />
           <GiteaLinkButton href={project.giteaRepoUrl} />
           {showActions && onUnassign && (
             <button