agent.json names /openapi.json, which this site now serves (#191)

ddiff --git a/server/agent-descriptor.js b/server/agent-descriptor.js
iindex 7c0b19d..b1264b5 100644
---- a/server/agent-descriptor.js
++++ b/server/agent-descriptor.js
@@@ -4,6 +4,7 @@
  // companies and one company, the sources, the API reference and the update log), the JSON API under /api/v1 and
  // its /docs reference, llms.txt and the sitemap. Reading the listings is public; a saved search is a person's, so
  // the API also takes a Network sign-in. No OpenAPI document or MCP endpoint is published here, so none is named.
++// 11-03 (SEO-3): this site serves /openapi.json now (the contracts' document for it), so it is named below.
  module.exports = {
      id: 'work',
      name: 'OpenVibe.Work',
@@@ -12,6 +13,7 @@ module.exports = {
      site: 'openvibe.work',
      api: '/api/v1',
      docs: '/docs',
++    openapi: '/openapi.json',
      policy: {
          auth: ['none', 'Network OIDC'],
      },