refactor: remove yearly billing interval, keep only one_time and monthly

shop/app/admin/users/page.tsx

@@ -0,0 +1,42 @@
+import { getUsers } from '@/lib/actions/users'
+import { UserList } from '@/components/admin/user-list'
+import { UserDialog } from '@/components/admin/user-dialog'
+import { Users } from 'lucide-react'
+import { Suspense } from 'react'
+
+export default async function AdminUsersPage() {
+  return (
+    <div className="flex-1 space-y-8 p-8 pt-6">
+      <div className="flex items-center justify-between space-y-2">
+        <div>
+          <h2 className="text-3xl font-bold tracking-tight text-gradient flex items-center gap-3">
+            <Users className="w-8 h-8 text-primary" />
+            Benutzerverwaltung
+          </h2>
+          <p className="text-slate-400">
+            Verwalten Sie Benutzerkonten, Berechtigungen und Sicherheit.
+          </p>
+        </div>
+        <div className="flex items-center space-x-2">
+          <UserDialog />
+        </div>
+      </div>
+      <Suspense fallback={<div className="h-40 w-full animate-pulse bg-white/5 rounded-xl" />}>
+        <UserDataWrapper />
+      </Suspense>
+    </div>
+  )
+}
+
+async function UserDataWrapper() {
+  try {
+    const users = await getUsers()
+    return <UserList initialUsers={users} />
+  } catch (error) {
+    return (
+      <div className="p-8 border border-destructive/50 bg-destructive/10 rounded-xl text-destructive text-center">
+        Fehler beim Laden der Benutzer. Stellen Sie sicher, dass der SERVICE_ROLE_KEY korrekt konfiguriert ist.
+      </div>
+    )
+  }
+}