A commit body line of only dashes-and-spaces (e.g.\n"- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"\nused as a visual section divider above a sub-heading) was being detected\nas a bullet list item and fed through splitOnDashSegments, which split\nit on every internal " - " and re-emitted each segment as "- ". A\n36-dash divider therefore became 18 consecutive lines of "- -" in the\npublished release-note markdown, which then rendered as 18 empty\nbullets - already happened on commit 59d78a4's release note (closes\n2026-04-29-issue-251) under both the "Code fix" and "Data backfill"\nsub-headings.
\nNow formatBodyLine recognises a "bullet" line whose stripped content is\nonly dashes and whitespace and emits a single "---" instead, which\nCommonMark renders as a horizontal rule (or, more usefully here, as the\nunderline of a setext h2 when the line above is a paragraph - exactly\nthe visual the original commit author was reaching for). Continuous-dash\nsetext underlines like "------------" were never affected by the bug\n(they do not start with "- " followed by a space) and remain untouched.
\nAlso re-rendered the already-published release note for #251 directly\nagainst the staging pageContent collection so the live page matches the\nfixed output.
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