Build one standalone SVG document PER PAGE (SVG is a single-image format, so "all
pages" means one file per page — the host downloads them sequentially, suffixing each
filename with the page name). Page order matches the board's page strip; each entry's
content is exactly what BuildWhiteboardExportSvg produces for that page.
Build one standalone SVG document PER PAGE (SVG is a single-image format, so "all pages" means one file per page — the host downloads them sequentially, suffixing each filename with the page name). Page order matches the board's page strip; each entry's content is exactly what BuildWhiteboardExportSvg produces for that page.