Family board: look for new chores every 15 seconds instead of every minute

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UaC9HmtHMdRP8dAbN4wAKj

public/board.js

@@ -49,7 +49,7 @@ function pick(p) {
   paint(); $('#no').onclick = close;
   box.querySelectorAll('.pad button').forEach(b => b.onclick = async () => { let k = b.dataset.k; $('#e').textContent = ''; if (k === '⌫') pin = pin.slice(0, -1); else if (k !== '✓' && pin.length < 8) { pin += k; if (p.pinLen && pin.length === p.pinLen) k = '✓'; } if (k === '✓') { try { await go(pin); return; } catch (e) { $('#e').textContent = e.message; pin = ''; } } paint(); });
 }
-clock(); setInterval(clock, 15000); load(); setInterval(() => { if (!document.hidden && $('#ov').hidden) load(); }, 60000);
+clock(); setInterval(clock, 15000); load(); setInterval(() => { if (!document.hidden && $('#ov').hidden) load(); }, 15000); // (a chore someone just added shows up within a few seconds)
 document.addEventListener('visibilitychange', () => { if (!document.hidden) load(); });
 
 // ---- tap a chore: (if it is up for grabs, choose what you are doing), pick your name, PIN if you are not a child, then it happens as you