Offline edits that send when back online, books saved on the device, and keyboard access for dialogs and Bible verses; roadmap

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

public/boot.js

@@ -36,7 +36,7 @@
     who(); navigator.serviceWorker.addEventListener('controllerchange', who);
   }
   // offline: say so once, and that what is on screen is the last saved copy
-  { const note = () => { const el = document.getElementById('offnote') || Object.assign(document.createElement('div'), { id: 'offnote', role: 'status' }); el.textContent = 'You are offline. Showing what was last saved; changes need a connection.'; el.hidden = navigator.onLine; if (!el.isConnected) document.body.appendChild(el); };
+  { const note = () => { const el = document.getElementById('offnote') || Object.assign(document.createElement('div'), { id: 'offnote', role: 'status' }); el.textContent = 'You are offline. Showing what was last saved; changes need a connection.'; el.hidden = navigator.onLine; if (!el.isConnected) document.body.appendChild(el); if (typeof offqNote === 'function') offqNote(); };
     addEventListener('offline', note); addEventListener('online', note); if (!navigator.onLine) note(); }
 })();