refactor(embed): iframe title + captured frame ref, allow-absent test, router comment

public/router.js

@@ -10,6 +10,8 @@
 //   #/sacred-valley         dashboard placeholder
 //   #/sentinel              Yerin security view
 //   #/little-blue           Little Blue caretaker view
+//   #/timelapse             Timelapse iframe embed
+//   #/ai-usage              AI Usage iframe embed
 // Anything unrecognized falls through to the home handler.
 
 const ROUTES = [

public/views/embed.js

@@ -6,16 +6,15 @@ import { el, mount } from '../dom.js';
 
 export function embedView({ title, sub, src, allow }) {
   return async function render(main) {
+    const frame = el('iframe', { src, class: 'term-frame', title, ...(allow ? { allow } : {}) });
     mount(main,
       el('div', { class: 'term-bar' },
         el('span', { class: 'term-title' }, '◆ ' + title),
         sub ? el('span', { class: 'muted', style: { fontSize: '11px' } }, sub) : null,
         el('a', { class: 'ghost', style: { marginLeft: 'auto' }, href: src, target: '_blank', rel: 'noopener' }, '↗ Open'),
-        el('button', { class: 'ghost', onclick: () => {
-          const f = document.getElementById('embed-frame'); if (f) f.src = f.src;
-        } }, '⟳ Reload')
+        el('button', { class: 'ghost', onclick: () => { frame.src = frame.src; } }, '⟳ Reload')
       ),
-      el('iframe', { id: 'embed-frame', src, class: 'term-frame', ...(allow ? { allow } : {}) })
+      frame
     );
   };
 }