Function setControlEnabled

public/js/folderManager.js:455–462

(el, enabled)

   Capability helpers
----------------------*/
function setControlEnabled(el, enabled) {
  if (!el) return;
  if ('disabled' in el) el.disabled = !enabled;
  el.classList.toggle('disabled', !enabled);
  el.setAttribute('aria-disabled', String(!enabled));
  el.style.pointerEvents = enabled ? '' : 'none';
  el.style.opacity = enabled ? '' : '0.5';
}
// --- Capability cache so we don't spam /capabilities.php
const _capsCache = window.__FR_CAPS_CACHE || new Map();
const _capsInflight = window.__FR_CAPS_INFLIGHT || new Map();