Build fix

drb-frontend/app/admin/page.tsx

@@ -76,7 +76,7 @@ export default function AdminPage() {
       return;
     }
     c2api.getFeatureFlags()
-      .then((f) => setFlags(f as FeatureFlags))
+      .then((f) => setFlags(f as unknown as FeatureFlags))
       .catch((e) => setError(String(e)))
       .finally(() => setLoading(false));
   }, [isAdmin, router]);
@@ -87,7 +87,7 @@ export default function AdminPage() {
     setError(null);
     try {
       const updated = await c2api.setFeatureFlags({ [key]: value });
-      setFlags(updated as FeatureFlags);
+      setFlags(updated as unknown as FeatureFlags);
     } catch (e) {
       setError(String(e));
     } finally {