Initial commit - copied workspace after database cleanup

dashboard/src/components/SetupModeButton.tsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import { useNavigate } from 'react-router-dom';
+import { Wrench } from 'lucide-react';
+
+const SetupModeButton: React.FC = () => {
+  const navigate = useNavigate();
+  return (
+    <button
+      className="setupmode-btn flex items-center gap-2 px-4 py-2 bg-yellow-200 hover:bg-yellow-300 rounded"
+      onClick={() => navigate('/setup')}
+      title="Erweiterungsmodus starten"
+    >
+      <Wrench size={18} />
+      Erweiterungsmodus
+    </button>
+  );
+};
+
+export default SetupModeButton;