openvibe-shared v4.108.0 (was v4.107.4) (#346)

ddiff --git a/README.md b/README.md
iindex 8db7518..3446101 100644
---- a/README.md
++++ b/README.md
@@@ -970,5 +970,5 @@ Part of the [OpenVibe network](https://openvibe.network). Built in the open by [
  <!-- versions:start -->
  - openvibe-contracts: v0.283.0
  - openvibe-sdk: v0.82.0
--- openvibe-shared: v4.107.4
++- openvibe-shared: v4.108.0
  <!-- versions:end -->
ddiff --git a/STATUS.json b/STATUS.json
iindex 2677ab7..251c67c 100644
---- a/STATUS.json
++++ b/STATUS.json
@@@ -9,7 +9,7 @@
    "domain": "openvibe.chat (Chat's own site: global chat, messages, rooms, settings; the service manifest records it live since 2026-09-24) and openvibe.live (/ws/chat, /api/chat/, /api/dm/, /api/tts/, /api/sounds via an nginx include in openvibe.live's vhost)",
    "contracts": "openvibe-contracts v0.283.0",
    "sdk": "openvibe-sdk v0.82.0",
--  "shared": "openvibe-shared v4.107.4",
++  "shared": "openvibe-shared v4.108.0",
    "capabilities": [
      "chat.message.send",
      "chat.event.publish",
ddiff --git a/package-lock.json b/package-lock.json
iindex b731df4..86e84e7 100644
---- a/package-lock.json
++++ b/package-lock.json
@@@ -18,7 +18,7 @@
          "multer": "^2.0.2",
          "openvibe-contracts": "https://codeload.github.com/OpenVibers/OpenVibe.Contracts/tar.gz/refs/tags/v0.283.0",
          "openvibe-sdk": "https://codeload.github.com/OpenVibers/OpenVibe.SDK/tar.gz/refs/tags/v0.82.0",
--        "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.107.4",
++        "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.108.0",
          "pg": "^8.23.0",
          "ws": "^8.18.0"
        },
@@@ -1339,9 +1339,9 @@
        }
      },
      "node_modules/openvibe-shared": {
--      "version": "4.107.4",
--      "resolved": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.107.4",
--      "integrity": "sha512-tThN0m3KMncEHVcBOvE+ysHjsZTlVIDLG1P+/i2Mulmxfc/AUpebAXhpWWrut50OChZ8o+HeePxsSrPI8mUQOQ==",
++      "version": "4.108.0",
++      "resolved": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.108.0",
++      "integrity": "sha512-NPzwjxpzGIpFpIm4uw3+VwHfsxbJ2+cD9yuhRzSwolSwqv2kCmwaVtHJ0DA9gKO3K8PCBfIP3UpKzpuSbYEJ+g==",
        "license": "MIT",
        "dependencies": {
          "jsonwebtoken": "^9.0.0",
ddiff --git a/package.json b/package.json
iindex a246b03..f58527b 100644
---- a/package.json
++++ b/package.json
@@@ -30,7 +30,7 @@
      "multer": "^2.0.2",
      "openvibe-contracts": "https://codeload.github.com/OpenVibers/OpenVibe.Contracts/tar.gz/refs/tags/v0.283.0",
      "openvibe-sdk": "https://codeload.github.com/OpenVibers/OpenVibe.SDK/tar.gz/refs/tags/v0.82.0",
--    "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.107.4",
++    "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.108.0",
      "pg": "^8.23.0",
      "ws": "^8.18.0"
    },
ddiff --git a/server/web/discovery.js b/server/web/discovery.js
iindex 4dc3d49..fed785d 100644
---- a/server/web/discovery.js
++++ b/server/web/discovery.js
@@@ -121,24 +121,29 @@ function createDiscoveryRoutes({ config }) {
      router.get('/llms.txt', (req, res) => {
          res.type('text/plain').set('Cache-Control', cache.htmlHeaders({ maxAge: 3600 })).send(seo.llmsTxt({
              name: 'OpenVibe.Chat',
++            // AGT-5: own pages link their Markdown twins (openvibe-shared 4.108.0); Vibe, Developers and Updates have none
++            // and are marked HTML. ## Optional is what an agent may skip.
++            markdown: true,
++            base: site,
              summary: 'OpenVibe.Chat: Vibe, OpenVibe\'s free assistant, global chat for the whole OpenVibe network, the chat of every stream on OpenVibe.Live, servers with text and voice channels, rooms, direct messages, calls and AI members.',
              details: 'One OpenVibe account works here and on every other OpenVibe site. Anyone can read the global chat and the public rooms without an account; posting needs a signed-in person. The global chat and the public room pages are readable as plain HTML without JavaScript and update live over the site\'s own WebSocket. Direct messages, room settings and the API are per-person and are never listed here.',
              sections: [
                  { title: 'Start here', links: [
--                    { title: 'Vibe', url: abs('/vibe'), note: 'OpenVibe\'s assistant: searches the web and OpenVibe, reads pages and pictures, remembers what it is asked to, sets up recurring work; chats are private to the signed-in person' },
++                    { title: 'Vibe', url: abs('/vibe'), html: true, note: 'OpenVibe\'s assistant: searches the web and OpenVibe, reads pages and pictures, remembers what it is asked to, sets up recurring work; chats are private to the signed-in person' },
                      { title: 'Global chat', url: abs('/'), note: 'one room for everyone on OpenVibe, newest messages at the end' },
                      { title: 'Rooms', url: abs('/rooms'), note: 'every public room, with its topic and activity' },
                      { title: 'Servers', url: abs('/servers'), note: 'public servers: groups with text and voice channels, roles and invites' },
--                    { title: 'What shipped on OpenVibe.Chat', url: abs('/updates') },
                  ] },
                  { title: 'Build with it', links: [
--                    { title: 'Developers', url: abs('/developers'), note: 'a support inbox or a room on any website with one tag, the visitor API, openvibe-sdk/chat, feeds from Claude Code, signed webhooks, the limits' },
--                ] },
--                { title: 'Machine-readable', links: [
--                    { title: 'Sitemap', url: abs('/sitemap.xml'), note: 'the public pages above' },
--                    { title: 'robots.txt', url: abs('/robots.txt') },
++                    { title: 'Developers', url: abs('/developers'), html: true, note: 'a support inbox or a room on any website with one tag, the visitor API, openvibe-sdk/chat, feeds from Claude Code, signed webhooks, the limits' },
                  ] },
              ],
++            optional: [
++                { title: 'What shipped on OpenVibe.Chat', url: abs('/updates'), html: true },
++                { title: 'Sitemap', url: abs('/sitemap.xml'), note: 'the public pages above' },
++                { title: 'robots.txt', url: abs('/robots.txt') },
++                { title: 'Full text for language models', url: abs('/llms-full.txt') },
++            ],
          }));
      });
  
ddiff --git a/test/discovery.test.js b/test/discovery.test.js
iindex 21d4a6c..f53204f 100644
---- a/test/discovery.test.js
++++ b/test/discovery.test.js
@@@ -43,6 +43,10 @@ t('/llms.txt describes the site, its public pages and its machine-readable endpo
          assert.ok(r.text.includes(of_), `mentions ${of_}`);
      }
      for (const re of PRIVATE) assert.ok(!re.test(r.text), `no private path in llms.txt (${re})`);
++    // AGT-5: a page with a twin is linked at it; Vibe, Developers and Updates have none and are marked HTML; Optional last.
++    assert.ok(r.text.includes(`(${SITE}/index.md)`) && r.text.includes(`(${SITE}/rooms.md)`), 'own pages link their twins');
++    assert.ok(r.text.includes(`(${SITE}/vibe) (HTML)`) && r.text.includes(`(${SITE}/updates) (HTML)`));
++    assert.ok(r.text.includes('\n## Optional\n') && r.text.lastIndexOf('\n## ') === r.text.indexOf('\n## Optional\n'), 'Optional is last');
  });
  
  t('/llms-full.txt carries every public page and what it is, at least 500 characters', async () => {