fix(cli): v0.5.2 — poll-based push delivery (1s interval)

Replace WS onPush→notification with timer-based buffer drain.
The old claude-intercom used 1s polling and worked reliably.
WS async callbacks may not flush stdio properly for MCP
notifications. Polling on a timer ensures consistent delivery.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "claudemesh-cli",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Claude Code MCP client for claudemesh — peer mesh messaging between Claude sessions.",
   "keywords": [
     "claude-code",

apps/cli/src/mcp/server.ts

@@ -722,19 +722,20 @@ Your message mode is "${messageMode}".
   // any mesh's broker connection becomes a <channel source="claudemesh">
   // system reminder injected into Claude Code's context.
   for (const client of allClients()) {
-    client.onPush(async (msg) => {
-      // In "off" mode, silently skip notification — messages are still
-      // buffered in pushBuffer and accessible via check_messages.
-      if (messageMode === "off") return;
-
+    // Poll-based push: drain pushBuffer every 1s and emit channel notifications.
+    // This is the proven approach from claude-intercom. The WS onPush handler
+    // fires instantly but server.notification() may not flush stdio reliably
+    // from an async WS callback. Polling on a timer ensures consistent delivery.
+    if (messageMode !== "off") {
+      const pushPollTimer = setInterval(async () => {
+        const buffered = client.drainPushBuffer();
+        for (const msg of buffered) {
           const fromPubkey = msg.senderPubkey || "";
-      // Resolve sender's display name from the cached peer list.
           const fromName = fromPubkey
             ? await resolvePeerName(client, fromPubkey)
             : "unknown";
 
           if (messageMode === "inbox") {
-        // Count-only notification, no content
             try {
               await server.notification({
                 method: "notifications/claude/channel",
@@ -744,10 +745,10 @@ Your message mode is "${messageMode}".
                 },
               });
             } catch { /* best effort */ }
-        return;
+            continue;
           }
 
-      // push mode — full content notification
+          // push mode — full content
           const content = msg.plaintext ?? decryptFailedWarning(fromPubkey);
           try {
             await server.notification({
@@ -766,10 +767,11 @@ Your message mode is "${messageMode}".
                 },
               },
             });
-      } catch {
-        /* channel push is best-effort; check_messages is the fallback */
+          } catch { /* best effort */ }
+        }
+      }, 1_000);
+      pushPollTimer.unref();
     }
-    });
 
     client.onStreamData(async (evt) => {
       try {