Sub-ticket of MSG-85 Bake llmmsg-srv MCP into canonical host setup — remote hosts need global ~/.claude.json mcpServers.llmmsg-srv (LLMMSG_HUB_URL=https://llmmsg-hub.pensanta.com) at provisioning; audit lezama + add to nw-* onboarding / agentteamlaunch.sh · llmmsg-srv