Merging files online is an essential workflow for architects and engineers who need to consolidate complex CAD drawings into a single, shareable package. DWF files are highly compressed, vector-based files used for sharing rich design data, including 3D models and metadata, without requiring expensive CAD software licenses. Why Merge DWF Files?

updateStatus(`✅ Created virtual merged package ($selectedFiles.length DWF files). For real DWF merging, use professional CAD tool.`); catch (err) console.error(err); updateStatus(`Merge failed: $err.message`, true);

// initial render renderFileList();