feat(ui): reconcile backup UI changes with current routing and interaction features

ui/src/pages/BoardClaim.tsx

@@ -1,6 +1,6 @@
 import { useMemo } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
-import { Link, useParams, useSearchParams } from "react-router-dom";
+import { Link, useParams, useSearchParams } from "@/lib/router";
 import { accessApi } from "../api/access";
 import { authApi } from "../api/auth";
 import { queryKeys } from "../lib/queryKeys";
@@ -117,7 +117,7 @@ export function BoardClaimPage() {
           onClick={() => claimMutation.mutate()}
           disabled={claimMutation.isPending}
         >
-          {claimMutation.isPending ? "Claiming..." : "Claim ownership"}
+          {claimMutation.isPending ? "Claiming…" : "Claim ownership"}
         </Button>
       </div>
     </div>