export async function copyLiveText(value, {
  clipboard = navigator.clipboard,
  documentRef = document,
} = {}) {
  const text = String(value)
  if (clipboard?.writeText) {
    try { await clipboard.writeText(text); return }
    catch { /* Older or restricted browsers can still support a selection copy. */ }
  }
  const previousFocus = documentRef.activeElement
  const input = documentRef.createElement('textarea')
  input.value = text
  input.readOnly = true
  input.style.position = 'fixed'
  input.style.left = '-9999px'
  documentRef.body.appendChild(input)
  try {
    input.select()
    if (!documentRef.execCommand('copy')) throw new Error('Clipboard copy failed')
  } finally {
    input.remove()
    previousFocus?.focus?.({ preventScroll: true })
  }
}