feat(health): Little Blue health band — avatar, grouped service tiles, local icons

public/components/service_tile.js

@@ -0,0 +1,11 @@
+import { el, safeHref } from '../dom.js';
+export function serviceTile(s) {
+  const img = el('img', { class: 'tile-icon', loading: 'lazy', src: `/api/icons/${s.icon}.png`, alt: s.name });
+  img.onerror = () => img.replaceWith(el('div', { class: 'tile-icon-fb' }, (s.name[0] || '?').toUpperCase()));
+  return el('a', { class: `tile status-${s.status}`, href: safeHref(s.url), target: '_blank', rel: 'noreferrer' },
+    img,
+    el('div', { class: 'tile-main' },
+      el('div', { class: 'tile-nm' }, el('span', { class: 'dot' }), s.name),
+      el('div', { class: 'tile-host' }, s.host || '')),
+    el('span', { class: 'tile-go' }, 'open ↗'));
+}