feat(browser): add Google iframe browser app

public/addons.js

@@ -3,9 +3,9 @@
   const DRAFT_KEY = 'lifeos_today_draft_v1';
   const localDay = () => { const d = new Date(); return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`; };
   const escapeHtml = value => String(value || '').replace(/[&<>]/g, char => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[char]));
-  const APP_VERSION = '1.8.0';
+  const APP_VERSION = '1.9.0';
   window.LifeOSVersion = APP_VERSION;
-  const appIds = ['today', 'timeline', 'museum', 'insights', 'profile', 'tasks', 'calendar', 'system'];
+  const appIds = ['today', 'timeline', 'museum', 'insights', 'profile', 'tasks', 'calendar', 'system', 'browser'];
   const t = (key, values) => LifeI18n.t(key, values);
 
   function readDraft() {
@@ -171,7 +171,7 @@
     if (mod && e.key.toLowerCase() === 'k') { e.preventDefault(); toggleLauncher(); }
     if (mod && e.key.toLowerCase() === 'f') { e.preventDefault(); openSearch(); }
     if (mod && e.key.toLowerCase() === 's' && document.querySelector('#entry')) { e.preventDefault(); archiveToday(); }
-    if (e.altKey && /^[1-8]$/.test(e.key)) { e.preventDefault(); openApp(appIds[Number(e.key) - 1]); }
+    if (e.altKey && /^[1-9]$/.test(e.key)) { e.preventDefault(); openApp(appIds[Number(e.key) - 1]); }
     if (e.key === 'Escape') { closeSearch(); document.querySelector('#launcher')?.classList.add('hidden'); document.querySelector('#calendar')?.classList.add('hidden'); document.querySelector('#life-context')?.remove(); }
   });
 })();