declare hubClient manifest

lib/peer.cjs

@@ -14,6 +14,7 @@ module.exports = function startPeer() {
     .use(require('secret-handshake-ext/secret-stack'))
     .use(require('ssb-conn'))
     .use(require('./plugin-hub.cjs'))
+    .use(require('./plugin-hub-client.cjs'))
     .call(null, {
       path,
       caps,

lib/plugin-hub-client.cjs

@@ -0,0 +1,35 @@
+module.exports = {
+  name: 'hubClient',
+  manifest: {
+    connect: 'duplex',
+  },
+  permissions: {
+    anonymous: {
+      allow: ['connect'],
+    },
+  },
+
+  /**
+   * @param {any} sstack
+   * @param {any} config
+   */
+  init(sstack, config) {
+    return {
+      /**
+       * @param {string} origin
+       * @returns {import('pull-stream').Duplex<unknown, unknown>}
+       */
+      connect(origin) {
+        const err = new Error('Not implemented on the client')
+        return {
+          source(_abort, cb) {
+            cb(err)
+          },
+          sink(read) {
+            read(err, () => {})
+          },
+        }
+      },
+    }
+  },
+}