Function updateListViewColumnsToolbarButton

renderer.js:14768–14784

()

            // Leave retryable — typed placeholders used to stick forever on Docker grids.
            await window.electron.saveThumbnail(model.filePath, '3d.png');
            if (!skipHash && (!model.hash || model.hash === '')) {
              try { await window.electron.calculateFileHash(model.filePath); } catch (e) { /* ignore */ }
            }
            return;
          }

          // 0d. LYS: pull embedded preview.png; otherwise render the mesh
          if (fileExt === 'lys') {
            console.log(
              `[DEBUG] generateThumbnailsForModels: Attempting to extract embedded thumbnail for ${model.filePath}`
            );
            try {
              const embeddedImages = await extractLYSThumbnail(model.filePath);
              if (embeddedImages && embeddedImages.length > 0) {
                const validImages = embeddedImages.filter(
                  (im) => typeof im === 'string' && im.startsWith('data:image')
                );
                if (validImages.length > 0) {
                  thumbnail = validImages[0];
                  await window.electron.addMultipleThumbnails(model.filePath, validImages);