refactor: align frontend ownership boundaries

Close audit gaps across API drift, query policy, UI, and tests.

src/pages/accounts/index.ts

@@ -1,6 +1 @@
-export {
-	AccountsPage,
-	AccountsPageEmpty,
-	AccountsPageError,
-	AccountsPageLoading,
-} from "./ui/AccountsPage";
+export { AccountsPage } from "./ui/AccountsPage";