Chores, Family page, genre search, child accounts, wider Search and Notifications center

- Chores tab with repeats, points and a week/month board
- Family page: calendar, chores, shopping, notes, chat and tasks on one start page
- Genre search in the Store, Free Books and LibriVox
- Child accounts: safe content, daily limit and bedtime, ask a parent
- Search now covers notes, chat, contacts, chores, recipes and your books
- Notifications center: bell with a per-person list of chat, reminders and announcements
- Roadmap, README and tests updated

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

tools/users-test.js

@@ -93,7 +93,7 @@ const T = (title, extra) => ({ title, notes: '', due: '', done: false, ...extra
   r = await admin.call('/api/audit'); const evs = (r.json.events || []).map(e => e.event);
   ok('the admin sees the audit log: invite use, recovery codes and recovery use are recorded', ['recovery codes created', 'recovery code used', 'passkey added with invite'].every(e => evs.includes(e)), evs);
   ok('and it never contains a code', !JSON.stringify(r.json).includes(recCodes[0]) && !JSON.stringify(r.json).includes(samCode), 'code leaked');
-  r = await sam.call('/api/me'); ok('Sam is a normal user with only Home, Settings and the tabs chosen', r.json.role === 'user' && r.json.tabs.sort().join() === 'calendar,home,search,settings,tasks', r.json);
+  r = await sam.call('/api/me'); ok('Sam is a normal user with only Home, Family, Settings and the tabs chosen', r.json.role === 'user' && r.json.tabs.sort().join() === 'calendar,family,home,search,settings,tasks', r.json);
 
   // ---- private data
   r = await sam.call('/api/tasks?list=local:inbox'); ok("Sam starts with an empty task list (the admin's task is not visible)", r.status === 200 && r.json.length === 0, r.json);