feat(cli): v0.1.5 — live peer discovery + summaries (Step 16)

Wire list_peers and set_summary MCP tools to the broker's WS
protocol instead of returning stubs. Peers can now discover each
other, see status/summary, and route messages by display name.

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

apps/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "claudemesh-cli",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Claude Code MCP client for claudemesh — peer mesh messaging between Claude sessions.",
   "keywords": [
     "claude-code",