Board shows list items and note text; fix white bar under read chat messages

- Family notes card lists each shared checklist's items (with who added them) and each note's text
- The read tick in Chat and Signal had the same class name as the book reader's page style, drawing a white bar; renamed

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

notes.js

@@ -66,5 +66,5 @@ function search(me, q) {
   return out.slice(0, 8);
 }
 /** Notes and lists shared with the whole family, for the family board. */
-const familyNotes = () => all().filter(n => n.share === 'family' && !n.archived).sort((a, b) => (b.pinned - a.pinned) || b.updated - a.updated).slice(0, 20).map(n => ({ id: n.id, type: n.type, title: n.title || (n.type === 'list' ? 'Checklist' : 'Note'), pinned: n.pinned, total: n.items.length, done: n.items.filter(i => i.done).length, next: (n.items.find(i => !i.done) || {}).text || '', body: n.type === 'note' ? n.body.slice(0, 120) : '' }));
+const familyNotes = () => all().filter(n => n.share === 'family' && !n.archived).sort((a, b) => (b.pinned - a.pinned) || b.updated - a.updated).slice(0, 20).map(n => ({ id: n.id, type: n.type, title: n.title || (n.type === 'list' ? 'Checklist' : 'Note'), pinned: n.pinned, total: n.items.length, done: n.items.filter(i => i.done).length, next: (n.items.find(i => !i.done) || {}).text || '', items: n.type === 'list' ? n.items.slice(0, 80).map(i => ({ text: i.text, done: !!i.done, by: i.addedBy || '' })) : [], body: n.type === 'note' ? n.body.slice(0, 400) : '' }));
 module.exports = { handle, search, familyNotes };