Send CMB anchors to new peers on connection

lib/node.js

@@ -703,6 +703,28 @@ class SymNode extends EventEmitter {
     const [h1, h2] = this._meshNode.coupledState();
     peer.transport.send({ type: 'state-sync', h1, h2, confidence: 0.8 });
 
+    // Send recent CMB anchors — enables the "Ask the Mesh" pattern.
+    // New peers need context to respond relevantly. Without this,
+    // a periodic agent that connects briefly can't see questions
+    // that were asked before it joined. See MMP Section 13.6.
+    const sharedSecret = this._peerSharedSecrets.get(peer.peerId);
+    const recentAnchors = this._store.recent(5);
+    for (const anchor of recentAnchors) {
+      if (!anchor.cmb) continue;
+      let cmb = anchor.cmb;
+      if (sharedSecret) {
+        cmb = this._encryptCMBForPeer(cmb, sharedSecret);
+      }
+      peer.transport.send({
+        type: 'cmb',
+        timestamp: anchor.storedAt || anchor.timestamp,
+        cmb,
+      });
+    }
+    if (recentAnchors.length > 0) {
+      this._log(`Sent ${recentAnchors.length} anchor CMB(s) to ${peer.name}`);
+    }
+
     // Send wake channel if configured (legacy, for backward compat)
     if (this._wakeChannel) {
       peer.transport.send({ type: 'wake-channel', ...this._wakeChannel });

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@sym-bot/sym",
-  "version": "0.3.10",
+  "version": "0.3.11",
   "description": "Infrastructure and protocol for multi-agent collective intelligence",
   "main": "lib/node.js",
   "bin": {