Two questions instead of one, because the answers depend on each other:
Markdown holds text only, a PNG holds the drawing only, PDF holds both.
Listing every format flat would have offered combinations that cannot
exist. A note without a drawing skips the first step rather than showing
it mostly greyed out.
While testing that, the drawings turned out never to have made it into
any export at all — not the ZIP, not the PDF. strokeDocOf() *builds* a
stroke document from a bare array, and it was being handed one that was
already a document, so the strokes ended up nested one level too deep and
every length check read undefined. Nothing complained; the export simply
came out without the drawing. It went unnoticed because the notes the
earlier suite exported had none.
Now uses docStrokes(), and the suite draws on a note before exporting it,
checks the PNG's magic bytes, and checks it is 159 KB rather than an empty
white page — a check on the file merely existing would have passed against
the broken version too.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
