/stats shares with the site's card: Open Graph and Twitter tags on the console layout's one public page (#132)

ddiff --git a/server/console/views.js b/server/console/views.js
iindex e673436..b45d456 100644
---- a/server/console/views.js
++++ b/server/console/views.js
@@@ -8,6 +8,7 @@
   * and whether it resolves (configured | missing | not_required), never a value; base URLs lose any
   * user info and query string. Run inputs and outputs arrive already bounded by queries.preview.
   */
++const social = require('openvibe-shared/social');
  const crypto = require('crypto');
  
  class Raw { constructor(s) { this.s = s; } }
@@@ -120,10 +121,14 @@ const NAV = [
  ];
  
  // The console's pages are noindex; the one public page drawn with this layout (/stats) passes robots, a description and
--// its canonical.
++// its canonical, and gets the share tags (the site's card from openvibe-shared/social) a shared link needs.
++function shareTags({ title, description, canonical }) {
++    const image = new URL(social.url('ai') || '/shared/social/ai.jpg', canonical).href;
++    return html`<meta property="og:type" content="website"><meta property="og:site_name" content="OpenVibe.AI"><meta property="og:title" content="${title}">${description ? html`<meta property="og:description" content="${description}">` : ''}<meta property="og:url" content="${canonical}"><meta property="og:image" content="${image}"><meta name="twitter:card" content="summary_large_image">`;
++}
  function layout({ title, section, staff, csrf, notice, error, body, site = 'operator console', robots = 'noindex,nofollow', description = null, canonical = null }) {
      return `<!doctype html>${render(html`<html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
--<meta name="robots" content="${robots}">${description ? html`<meta name="description" content="${description}">` : ''}${canonical ? html`<link rel="canonical" href="${canonical}">` : ''}<meta name="referrer" content="no-referrer"><title>${title} · AI ${site}</title><style>${new Raw(CSS)}</style></head>
++<meta name="robots" content="${robots}">${description ? html`<meta name="description" content="${description}">` : ''}${canonical ? html`<link rel="canonical" href="${canonical}">${shareTags({ title: `${title} · AI ${site}`, description, canonical })}` : ''}<meta name="referrer" content="no-referrer"><title>${title} · AI ${site}</title><style>${new Raw(CSS)}</style></head>
  <body><a class="skip" href="#main">Skip to content</a><header><div class="bar"><span class="brand">OpenVibe.AI · ${site}</span>
  ${staff ? html`<nav aria-label="Console"><ul>${NAV.map(([href, label, id]) => html`<li><a href="${href}"${id === section ? html` aria-current="page"` : ''}>${label}</a></li>`)}</ul></nav>
  <div class="who"><span>${staff.username ? `@${staff.username} ` : ''}<code>${staff.subject}</code> · ${staff.role}</span>
ddiff --git a/test/home.test.js b/test/home.test.js
iindex d7a6c71..9ac4d07 100644
---- a/test/home.test.js
++++ b/test/home.test.js
@@@ -84,6 +84,9 @@ t.test('/stats (price and latency) is in search: index,follow, its own descripti
      assert.ok(r.text.includes('<meta name="robots" content="index,follow">'), 'indexable');
      assert.match(r.text, /<meta name="description" content="Price and latency of every AI model OpenVibe\.AI called in the last 7 days: [^"]+">/);
      assert.ok(r.text.includes(`<link rel="canonical" href="${SITE}/stats">`), 'canonical');
++    assert.ok(r.text.includes(`<meta property="og:url" content="${SITE}/stats">`), 'a shared link has its tags');
++    assert.match(r.text, new RegExp(`<meta property="og:image" content="${SITE.replace(/\./g, '\\.')}/shared/social/ai\\.jpg\\?v=[0-9a-f]+">`));
++    assert.ok(r.text.includes('<meta name="twitter:card" content="summary_large_image">'));
  });
  
  t.test('robots.txt, sitemap.xml and llms.txt name the public origin', async () => {