A fold says what it holds, counted, not "tap to open" (#171)

ddiff --git a/server/render/short.js b/server/render/short.js
iindex 3055c75..d5d0d96 100644
---- a/server/render/short.js
++++ b/server/render/short.js
@@@ -63,13 +63,27 @@ function pickListRules(key, n) {
      return Array.from({ length: n }, (_, i) => pickListRule(key, i)).join('');
  }
  
++/**
++ * What a fold holds, counted, for its title row (the owner, 2026-10-31: a fold that shortens a page shows its count):
++ * "6 questions", "12 items", "latest 5" for the shipped list, or nothing when there is nothing to count. Replaces the
++ * hint the fold used to show instead.
++ */
++function foldMeta(body, cls = '') {
++    const s = typeof body === 'string' ? body : String((body && (body.s || body.html || body.value)) || body || '');
++    const n = (re) => (s.match(re) || []).length;
++    const shipped = /data-ov-shipped="list"[^>]*?data-limit="(\d+)"|data-limit="(\d+)"[^>]*?data-ov-shipped="list"/.exec(s);
++    const q = n(/<details[\s>]/g), li = n(/<li[\s>]/g), a = n(/<a\s/g);
++    const text = shipped ? `latest ${shipped[1] || shipped[2]}` : q > 1 ? `${q} questions` : li > 1 ? `${li} items` : a > 1 ? `${a} links` : '';
++    return text ? `<span${cls ? ` class="${cls}"` : ''}>${text}</span>` : '';
++}
++
  /**
   * A fold. The head is the heading the block had; the html is what it holds.
   *
   *   foldBlock({ id, head, html })
   */
  function foldBlock({ id, head, html }) {
--    return '<details class="bl-fold bl-fold-block" id="' + esc(id) + '" open><summary>' + head + '<span class="bl-fold-hint">tap to open</span></summary>' + html + '</details>' + foldScript(id);
++    return '<details class="bl-fold bl-fold-block" id="' + esc(id) + '" open><summary>' + head + foldMeta(html, 'bl-fold-hint') + '</summary>' + html + '</details>' + foldScript(id);
  }
  
  /** The script a fold carries: closed on a phone unless the reader opened it before, and it remembers that. */
@@@ -106,4 +120,4 @@ function foldAround(html, needle, id, head) {
      return html.slice(0, p.start) + foldBlock({ id, head, html: p.html }) + html.slice(p.end);
  }
  
--module.exports = { pickBlock, pickRule, pickRules, pickList, pickListRule, pickListRules, foldBlock, foldScript, part, swap, foldAround };
++module.exports = { pickBlock, pickRule, pickRules, pickList, pickListRule, pickListRules, foldBlock, foldMeta, foldScript, part, swap, foldAround };