agent.json names /openapi.json, which this site now serves (#200)

ddiff --git a/server/agent-descriptor.js b/server/agent-descriptor.js
iindex 889e8cb..0023830 100644
---- a/server/agent-descriptor.js
++++ b/server/agent-descriptor.js
@@@ -4,6 +4,7 @@
  // llms.txt and the sitemap. Creating a stream and its keys needs an OpenVibe account (Network OIDC); services call
  // the API with a Network client-credentials token. No OpenAPI document, documentation page 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: 'openre',
      name: 'OpenRestream',
@@@ -11,6 +12,7 @@ module.exports = {
      home: 'https://openre.stream',
      site: 'openre.stream',
      api: '/api/v1',
++    openapi: '/openapi.json',
      policy: {
          auth: ['none', 'Network OIDC', 'Network service token'],
      },