Function thumbnailProgressUpdate

renderer.js:11972–11978

(completed)

      e.stopPropagation();
      console.log('[Scan STL Home] button clicked');
      if (typeof window.runScanSTLHome === 'function') window.runScanSTLHome();
    });
    console.log('[Scan STL Home] delegated handler attached to body');
  }
  window.attachScanStlHomeHandler = attachScanStlHomeHandler;
  if (document.body) attachScanStlHomeHandler();
  else document.addEventListener('DOMContentLoaded', attachScanStlHomeHandler);

  // On startup, if STL Home directories are specified:
  // - In docker/server mode (STL_HOME set via startup/env): run one background check when the server loads, then on the interval.