{"message":"File Converter and Upload API","version":"1.0.0","endpoints":{"POST /api/upload":"Upload a file (PSD or AI format). Files are converted to PDF format with layer preservation before upload.","GET /api/get-image":"Get image from Google Drive (converted to PNG). Query params: id, imageType, metadata","POST /api/generate-pdf":"Generate transformed PDF from Google Drive file with custom positioning and rotation","POST /api/update-pdf":"Update PDF in Google Drive with transformations","docs":"/docs"}}