(defcomp
  ()
  (div
    (~tw :tokens "space-y-3")
    (button
      :sx-get "/sx/(geography.(hypermedia.(reference.(api.time))))"
      :sx-target "#ref-replurl-result"
      :sx-swap "innerHTML"
      :sx-replace-url "true"
      (~tw :tokens "px-4 py-2 bg-violet-600 text-white rounded hover:bg-violet-700 transition-colors text-sm")
      "Load (replaces URL)")
    (div
      :id "ref-replurl-result"
      (~tw :tokens "p-3 rounded bg-stone-100 text-stone-400 text-sm")
      "Click to load — URL changes but no new history entry.")))