Function updateSendBtn

app/src/modules/input.js:21–29

()

let cmdActiveIdx = -1;

export function updateSendBtn() {
  const btn = $('btn-send');
  if (S.waiting) {
    btn.classList.remove('empty');
    return;
  }
  const empty = !$input.value.trim() && !pendingImage;
  btn.classList.toggle('empty', empty);
}

export function setSendButtonMode(mode) {
  const btn = $('btn-send');