// By default htmx only swaps 2xx/304 responses into hx-target; 4xx/5xx
// responses are treated as errors and left unswapped. Our API handlers
// return error status codes with a plain-text body meant for the
// error-container div, so force the swap to happen anyway.
document.body.addEventListener("htmx:beforeSwap", function (evt) {
  if (evt.detail.xhr.status >= 400) {
    evt.detail.shouldSwap = true;
    evt.detail.isError = false;
  }
});