Function deleteAsset

app.js:3371–3381

(assetId)

}

function deleteAsset(assetId) {
  if (!assetId) return;
  const used = (screens || []).some((scr) => (scr.elements || []).some((el) => el && el.assetId === assetId));
  if (used) {
    alert("This asset is used by one or more elements. Remove those elements first (or change their asset) before deleting.");
    return;
  }
  assets = (assets || []).filter((a) => a && a.id !== assetId);
  renderAssets();
  pushHistory();
}

function removeUnusedAssets() {
  const used = new Set();