Body rendered as a bogus '264 / 265' on every post: our balanced-</div> body
regex either returned empty or over-captured into sibling upload divs and the
'View next posts (N / M)' pagination counter. Replace it with gallery-dl's exact
_data_from_post rule — content between the post_content-text wrapper and the
youtube-uploads div (literal markers), then strip the trix editor's
<html><body>…</body></html> document wrapper to its inner. Verified against the
live cheunart sample: clean per-post bodies, empty for genuinely text-less posts.
Also port gallery-dl's _media_from_post preview guard: skip gallery items whose
URL is under /previews (locked/blurred teasers) — the SubscribeStar analog of
the Patreon gated-preview bug (#874); this is why a locked post yields no media.
Tests: body must not bleed into the pagination counter; trix html-document
wrapper stripped; /previews items skipped. Fixture now includes the youtube-
uploads close marker present in real markup.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
bvandeusen
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