Add creator attribution to video structured data (#184)

ddiff --git a/server/video/layout.js b/server/video/layout.js
iindex 764537a..2559a53 100644
---- a/server/video/layout.js
++++ b/server/video/layout.js
@@@ -45,6 +45,11 @@ function hasTwin(path) {
  /** o: title, description, body (html), config, path, index, noindex, viewer, private, crumbs [{label, href}], scripts [rel],
   *     player (true: the network's video player, openvibe-shared player.js/css, on video[data-ov-player]),
   *     jsonLd (structured data for the page), image (its share image, an https URL), ogType */
++function oneGraph(nodes) {
++    if (!nodes || ![].concat(nodes).length) return undefined;
++    return { '@context': 'https://schema.org', '@graph': [].concat(nodes).map(({ '@context': _context, ...node }) => node) };
++}
++
  function renderPage(o) {
      // The front page's title says what the site is (search results show it; at most 60 characters).
      const title = o.title || (o.path === '/' ? `${SITE_NAME}: upload, record and watch, with AI captions` : SITE_NAME);
@@@ -80,7 +85,7 @@ ${render(o.body)}
          description: o.description || `${SITE_NAME} — ${TAGLINE}`,
          canonical,
          robots: o.noindex ? 'noindex' : (o.index ? 'index, follow' : 'noindex, nofollow'),
--        ...(o.jsonLd ? { jsonLd: o.jsonLd } : {}),
++        ...(o.jsonLd ? { jsonLd: oneGraph(o.jsonLd) } : {}),
          ...(o.image ? { image: o.image, imageAlt: title } : {}),
          ...(o.ogType ? { type: o.ogType } : {}),
          home: '/',
ddiff --git a/server/video/pages.js b/server/video/pages.js
iindex 7f09033..fe386c4 100644
---- a/server/video/pages.js
++++ b/server/video/pages.js
@@@ -280,7 +280,12 @@ function videoLd({ base, path, item, title, description, chapterList, partOf })
              duration: isoDuration(item.duration_seconds), contentUrl: crawlFile(fileOf(item)) || undefined, embedUrl: pageUrl,
          }),
          ...(item.view_count != null ? { interactionStatistic: { '@type': 'InteractionCounter', interactionType: 'https://schema.org/WatchAction', userInteractionCount: Number(item.view_count) || 0 } } : {}),
--        ...(channel ? { author: { '@type': 'Person', name: channel, ...(item.username ? { url: `${base}/@${item.username}` } : {}) } } : {}),
++        author: channel && item.username
++            ? { '@type': 'Person', name: channel, url: `${base}/@${item.username}` }
++            : { '@type': 'Organization', name: 'OpenVibe.Video', url: `${base}/` },
++        creator: channel && item.username
++            ? { '@type': 'Person', name: channel, url: `${base}/@${item.username}` }
++            : { '@type': 'Organization', name: 'OpenVibe.Video', url: `${base}/` },
          publisher: { '@type': 'Organization', name: 'OpenVibe', url: 'https://openvibe.network' },
          ...(parts.length ? { hasPart: parts } : {}),
          ...(partOf ? { isPartOf: { '@type': 'VideoObject', url: `${base}${partOf}` } } : {}),
ddiff --git a/test/video-pages.test.js b/test/video-pages.test.js
iindex 97a839d..26ada4f 100644
---- a/test/video-pages.test.js
++++ b/test/video-pages.test.js
@@@ -10,6 +10,14 @@ const assert = require('assert');
  const http = require('http');
  const { boot, check, done } = require('./helpers/boot');
  
++function graphOf(html) {
++    const scripts = [...html.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)];
++    assert.strictEqual(scripts.length, 1, 'one JSON-LD script');
++    const graph = JSON.parse(scripts[0][1]);
++    assert.strictEqual(graph['@context'], 'https://schema.org');
++    return graph['@graph'];
++}
++
  function startLive() {
      const vodFeedItem = {
          key: 'vod:101', kind: 'vod', id: 101, title: 'A public recording',
@@@ -311,7 +319,7 @@ function countOccurrences(haystack, needle) {
          assert.ok(r.text.includes('Latest stream recordings'));
          assert.ok(r.text.includes('Latest clips'));
          assert.ok(r.text.includes('/v/101'));
--        const ld = [...r.text.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].flatMap((m) => [].concat(JSON.parse(m[1])));
++        const ld = graphOf(r.text);
          assert.ok(ld.some((n) => n['@type'] === 'WebSite' && n.name === 'OpenVibe.Video'), 'the home says what the site is (JSON-LD)');
          assert.ok(r.text.includes('/c/201'));
          assert.ok(!r.text.includes('/v/102'), 'the unlisted VOD is not in a list');
@@@ -336,7 +344,7 @@ function countOccurrences(haystack, needle) {
          assert.ok(/<video class="ovv-player" data-ov-player controls /.test(r.text), 'the video takes the network player');
          assert.ok(/<link rel="stylesheet" href="\/shared\/player\.css\?v=[0-9a-f]+">/.test(r.text) && /<script src="\/shared\/player\.js\?v=[0-9a-f]+" defer><\/script>/.test(r.text), 'player.css and player.js load');
          assert.ok(r.text.includes('data-ovv-view="https://openvibe.live/api/views/vod/101"'), 'playback counts a view on Live');
--        const ld = [...r.text.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].map((m) => JSON.parse(m[1])).find((x) => x['@type'] === 'VideoObject');
++        const ld = graphOf(r.text).find((x) => x['@type'] === 'VideoObject');
          assert.ok(ld, 'a VideoObject');
          assert.strictEqual(ld.url, 'https://openvibe.video/v/101');
          assert.strictEqual(ld.name, 'A public recording');
@@@ -345,6 +353,8 @@ function countOccurrences(haystack, needle) {
          assert.deepStrictEqual(ld.thumbnailUrl, ['https://openvibe.media/t/101.jpg']);
          assert.strictEqual(ld.contentUrl, 'https://openvibe.media/v/101?raw=1', 'Media answers bots a page without ?raw=1');
          assert.deepStrictEqual(ld.author, { '@type': 'Person', name: 'Streamer', url: 'https://openvibe.video/@streamer' });
++        assert.deepStrictEqual(ld.creator, ld.author);
++        assert.strictEqual(ld.isLiveBroadcast, undefined, 'recordings are not live broadcasts');
          assert.ok(Array.isArray(ld.hasPart) && ld.hasPart.length >= 1 && ld.hasPart.every((c) => c['@type'] === 'Clip' && Number.isInteger(c.startOffset) && c.url.startsWith('https://openvibe.video/v/101?t=')), 'chapters as key moments');
          assert.match(r.text, /<meta property="og:image" content="https:\/\/openvibe\.media\/t\/101\.jpg"/, 'the thumbnail is the share image');
          assert.ok(r.text.includes('data-ovv-hls="https://openvibe.media/o/med_101/master.m3u8"'), 'the timeline playlist');
@@@ -367,8 +377,11 @@ function countOccurrences(haystack, needle) {
          const r = await getVideo('/c/201');
          assert.strictEqual(r.status, 200);
          assert.ok(r.text.includes('data-ovv-view="https://openvibe.live/api/views/clip/201"'), 'playback counts a clip view on Live');
--        const cld = [...r.text.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].map((m) => JSON.parse(m[1])).find((x) => x['@type'] === 'VideoObject');
++        const cld = graphOf(r.text).find((x) => x['@type'] === 'VideoObject');
          assert.ok(cld && cld.url === 'https://openvibe.video/c/201', 'a clip VideoObject');
++        assert.deepStrictEqual(cld.creator, cld.author);
++        assert.strictEqual(cld.creator.url, 'https://openvibe.video/@clipper');
++        assert.strictEqual(cld.isLiveBroadcast, undefined);
          assert.deepStrictEqual(cld.isPartOf, { '@type': 'VideoObject', url: 'https://openvibe.video/v/101' }, 'part of its recording');
          assert.strictEqual(cld.duration, 'PT10S');
          assert.ok(r.text.includes('src="https://openvibe.media/c/201"'), 'the clip playback url');
@@@ -462,7 +475,7 @@ function countOccurrences(haystack, needle) {
          assert.ok(!r.text.includes('not-a-category'), 'an unknown category is not shown');
          assert.ok(r.text.includes('href="/@streamer"') && r.text.includes('3 recordings'), 'a channel with its count');
          assert.ok(!r.text.includes('bad name!') && !r.text.includes('href="/@once"'), 'a bad name and a one-recording channel are left out');
--        const ld = [...r.text.matchAll(/<script type="application\/ld\+json">([\s\S]*?)<\/script>/g)].flatMap((m) => [].concat(JSON.parse(m[1])));
++        const ld = graphOf(r.text);
          const faq = ld.find((x) => x['@type'] === 'FAQPage');
          assert.ok(faq && faq.mainEntity.length >= 5, 'FAQPage structured data');
          const shown = [...r.text.matchAll(/<summary>([^<]*)<\/summary>/g)].map((m) => m[1].replace(/&#39;/g, "'"));
@@@ -556,6 +569,7 @@ function countOccurrences(haystack, needle) {
      await check('the sitemap carries a video entry for each listed recording and clip', async () => {
          const map = (await getVideo('/sitemap.xml')).text;
          assert.ok(map.includes('xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"'));
++        assert.ok(!map.includes('<video:live>'), 'recordings and clips are not currently live');
          assert.ok(map.includes('<loc>https://openvibe.video/v/101</loc><lastmod>2026-10-12</lastmod><video:video><video:thumbnail_loc>https://openvibe.media/t/101.jpg</video:thumbnail_loc>'
              + '<video:title>A public recording</video:title><video:description>A public stream</video:description>'
              + '<video:content_loc>https://openvibe.media/v/101?raw=1</video:content_loc><video:duration>45</video:duration><video:view_count>100</video:view_count>'