Channel pages: Ask your agent chip beside Share (#677)

ddiff --git a/public/fragments/channel.html b/public/fragments/channel.html
iindex b3ae75fc..35fe1fa8 100644
---- a/public/fragments/channel.html
++++ b/public/fragments/channel.html
@@@ -133,6 +133,9 @@
                                   stream's own action row while the channel is live and in the header's actions when it is
                                   not, so the page always has one Share button and never two. -->
                              <span id="ch-share-slot"><button class="ovk-btn ovk-btn--quiet" id="ch-btn-share" type="button" data-ov-share-sheet><svg class="ovk-i" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 20V9M7 14l5-5 5 5M5 4h14"/></svg><span>Share</span></button></span>
++                            <!-- Ask your agent (openvibe-shared 4.135.0): the SEO renderer fills this with the channel's
++                                 own chip, live or offline; app-channel.js keeps it beside Share in the same row. -->
++                            <span id="ch-ask-slot"></span>
                              <span class="ch-follower-count" id="ch-follower-count">0 followers</span>
                              <a class="ch-game-badge" id="ch-game-badge" href="https://openvibe.games/" target="_blank" rel="noopener" hidden></a>
                              <button class="btn btn-outline" id="btn-cam" title="Take a still" style="display:none"><i class="fa-solid fa-camera"></i> Still</button>
ddiff --git a/public/js/app-channel.js b/public/js/app-channel.js
iindex 88b93293..ccf209a3 100644
---- a/public/js/app-channel.js
++++ b/public/js/app-channel.js
@@@ -1253,9 +1253,14 @@ function _placeShareButton(where) {
      if (!b) return;
      const live = where !== 'offline';
      const host = live ? document.getElementById('ch-share-slot') : document.querySelector('#ch-offline-area .ch-actions');
--    if (!host || b.parentElement === host) return;
--    if (live) host.appendChild(b);
--    else host.insertBefore(b, host.firstChild);
++    if (!host) return;
++    if (b.parentElement !== host) {
++        if (live) host.appendChild(b);
++        else host.insertBefore(b, host.firstChild);
++    }
++    // The Ask your agent chip (openvibe-shared 4.135.0) sits beside Share, in the same row, live or offline.
++    const ask = document.getElementById('ch-ask-slot');
++    if (ask && ask.parentElement !== host) host.insertBefore(ask, b.nextSibling);
      b.className = 'ovk-btn ovk-btn--quiet';
      b.title = live ? 'Share this stream' : 'Share this channel';
  }
ddiff --git a/server/seo/pages.js b/server/seo/pages.js
iindex 9b2ebd62..7e2c7f3c 100644
---- a/server/seo/pages.js
++++ b/server/seo/pages.js
@@@ -16,6 +16,7 @@
   */
  'use strict';
  const seo = require('openvibe-shared/seo');
++const kit = require('openvibe-shared/kit');
  const { esc } = seo;
  const { setRobotsHeader } = require('../web/robots-header');
  const db = require('../db/database');
@@@ -356,11 +357,16 @@ async function _channelMeta(username, page = 1) {
      }
      body += `<p><a href="${esc(abs(basePath))}">Visit ${esc(name)}'s channel</a> on ${SITE_NAME}.</p></article>`;
  
++    // The Ask your agent chip (openvibe-shared 4.135.0, plan Z3): the stream while live, the channel offline.
++    const askText = liveNow
++        ? `About this stream on OpenVibe.Live: ${name} — ${clean(liveNow.title || `${name} is streaming`, 110)}. `
++        : `About ${name}'s channel on OpenVibe.Live. `;
++
      return {
          title: `${name} (${handle})${pageLabel} — ${SITE_NAME}`, description: desc,
          canonicalPath, image, ogType: 'profile',
          robots: acct.banned || pastEnd ? 'noindex,follow' : 'index,follow',
--        jsonLd: ld, snapshot: body,
++        jsonLd: ld, snapshot: body, askText,
          cacheTtlMs: track.partial ? SHORT_CACHE_MS : CHANNEL_CACHE_MS,
      };
  }
@@@ -874,6 +880,10 @@ function render(meta, urlPath) {
      if (!html) return null;
      html = assets.renderRoute(html, urlPath || meta.canonicalPath || '/');
  
++    // The channel page's Ask your agent chip (openvibe-shared 4.135.0, plan Z3): the channel fragment leaves a slot,
++    // filled here where the channel and its stream are known. kit.askAgent escapes the text; other routes have no slot.
++    if (meta.askText) html = html.replace('<span id="ch-ask-slot"></span>', `<span id="ch-ask-slot">${kit.askAgent({ text: meta.askText })}</span>`);
++
      // Only the <head> is rewritten, so only the <head> is scanned.
      //
      // These six patterns used to run over the whole document. index.html is ~378KB and the head
ddiff --git a/test/ask-agent.test.js b/test/ask-agent.test.js
nnew file mode 100644
iindex 00000000..ff22ed6f
---- /dev/null
++++ b/test/ask-agent.test.js
@@@ -0,0 +1,86 @@
++'use strict';
++/**
++ * The channel page's Ask your agent chip (openvibe-shared 4.135.0, plan Z3): one [data-ov-ask] beside Share, with the
++ * stream's channel and title while live ("About this stream on OpenVibe.Live: …"), the channel's own line offline
++ * ("About <name>'s channel on OpenVibe.Live. "), and kit.askAgent's escaping. The fragment leaves the slot; the SEO
++ * renderer fills it where the channel and its stream are known.
++ */
++const assert = require('assert');
++const fs = require('fs');
++const http = require('http');
++const path = require('path');
++
++process.env.NODE_ENV = 'test';
++const quiet = console.log;
++console.log = (...a) => { if (!/^\[/.test(String(a[0]))) quiet(...a); };
++console.warn = () => {};
++
++const express = require('express');
++const db = require('../server/db/database');
++const media = require('../server/media-client');
++const follows = require('../server/social/network-follows');
++
++(async () => {
++    await db.initDb();
++    const raw = db.getDb();
++    const addUser = (id, username, displayName) => raw.prepare(
++        `INSERT INTO users (id, username, display_name, email, password_hash, role, created_at) OVERRIDING SYSTEM VALUE
++         VALUES (?, ?, ?, ?, 'x', 'user', '2025-01-01 00:00:00')`).run(id, username, displayName, `${username}@x`);
++    await addUser(1, 'alice', 'Alice');
++    await addUser(2, 'bob', 'Bob');
++    await addUser(3, 'escapee', 'Al<b> & "Co"');
++    for (const id of [1, 2, 3]) await db.ensureChannel(id);
++    const alice = await db.getChannelByUserId(1);
++    await db.createStream({ user_id: 1, channel_id: alice.id, title: 'Live & loud', protocol: 'webrtc' });
++    const escapee = await db.getChannelByUserId(3);
++    await db.createStream({ user_id: 3, channel_id: escapee.id, title: 'Sneaky "title" & <tag>', protocol: 'webrtc' });
++
++    // No upstreams in this test: the channel page only needs the account and its streams.
++    media.listVods = async () => ({ vods: [] });
++    media.listClips = async () => ({ clips: [] });
++    follows.followerCount = async () => 0;
++
++    const app = express();
++    require('../server/seo').register(app);
++    app.use((req, res) => res.status(404).type('text').send('not found'));
++    const server = http.createServer(app);
++    await new Promise((r) => server.listen(0, '127.0.0.1', r));
++    const base = `http://127.0.0.1:${server.address().port}`;
++    const page = async (p) => {
++        const r = await fetch(base + p, { headers: { accept: 'text/html,application/xhtml+xml' } });
++        return { status: r.status, text: await r.text() };
++    };
++    const chips = (text) => text.match(/<button[^>]*data-ov-ask[^>]*>/g) || [];
++
++    try {
++        const live = await page('/@alice');
++        assert.strictEqual(live.status, 200);
++        const asks = chips(live.text);
++        assert.strictEqual(asks.length, 1, 'one Ask your agent chip: ' + asks.join(' | '));
++        assert.ok(asks[0].includes('data-ov-ask="About this stream on OpenVibe.Live: Alice — Live &amp; loud. "'), asks[0]);
++        assert.ok(asks[0].includes('class="ovk-ask ovk-btn'), 'the shared kit chip');
++        assert.ok(live.text.includes('id="ch-ask-slot"'), 'the fragment slot is filled');
++
++        const offline = await page('/@bob');
++        assert.strictEqual(offline.status, 200);
++        const offAsks = chips(offline.text);
++        assert.strictEqual(offAsks.length, 1, 'one Ask your agent chip offline too');
++        assert.ok(offAsks[0].includes('data-ov-ask="About Bob&#39;s channel on OpenVibe.Live. "'), offAsks[0]);
++
++        const nasty = await page('/@escapee');
++        const nastyAsks = chips(nasty.text);
++        assert.strictEqual(nastyAsks.length, 1, 'one Ask your agent chip');
++        assert.ok(nastyAsks[0].includes('data-ov-ask="About this stream on OpenVibe.Live: Al&lt;b&gt; &amp; &quot;Co&quot; — Sneaky &quot;title&quot; &amp; &lt;tag&gt;. "'), nastyAsks[0]);
++        assert.ok(!nastyAsks[0].includes('<tag>'), 'the channel and stream names are escaped in the chip');
++
++        // The client keeps the chip beside Share in whichever action row is shown (live vs offline).
++        const client = fs.readFileSync(path.join(__dirname, '..', 'public', 'js', 'app-channel.js'), 'utf8');
++        assert.match(client, /ch-ask-slot/);
++        assert.match(fs.readFileSync(path.join(__dirname, '..', 'public', 'fragments', 'channel.html'), 'utf8'), /id="ch-ask-slot"/);
++        console.log('ask agent channel chip ok');
++    } finally {
++        await new Promise((r) => server.close(r));
++        if (db.closeDb) await db.closeDb().catch(() => {});
++        process.exit(0);
++    }
++})().catch((e) => { console.error(e); process.exit(1); });