synlynk coordination hub between four AI agents A dark network graph with synlynk in the center, four data-layer nodes on an inner ring, and Claude, Gemini, Grok, and Codex on an outer ring connected by curved lines and animated pulses. synlynk coordination graph Four agents route through shared state, dispatch, relay, and profiles. state dispatch relay profiles Claude Gemini Grok Codex synlynk coordination hub