document title (H1 lifted from source if absent)
cover line 2 (optional)
cover meta line — author
cover meta line — date (YYYY-MM-DD; defaults to today)
CSS hex (--accent), drives section rule + link + table head
markdown-it rendered HTML (h1/h2/h3/p/ul/ol/table/code/…)
Render:
node scripts/render_html.cjs --in page.html --out report.pdf
-->
<!-- TITLE -->