Function applyConfig

frontend/dashboard/src/components/Routing.tsx:73–76

(next: RoutingConfigState)

  const modeSwitchBusy = busyKey?.startsWith("mode:") ?? false;

  function applyConfig(next: RoutingConfigState) {
    setConfig(next);
    setDrafts(buildDrafts(next));
  }

  function showNotice(text: string, tone: NoticeState["tone"] = "success") {
    setNotice({ text, tone });