digraph Agent99Architecture {
    rankdir=LR;
    node [shape=box, style=rounded];
    
    subgraph cluster_0 {
        label="Agent99 Framework";
        style=dashed;
        
        Agent1 [label="Agent 1\n(Client)"];
        Agent2 [label="Agent 2\n(Server)"];
        Agent3 [label="Agent 3\n(Hybrid)"];
    }
    
    Registry [shape=cylinder, label="Registry\nService"];
    MessageBroker [shape=diamond, label="Message Broker\n(AMQP/NATS)"];
    
    // Registration flows
    Agent1 -> Registry [label="register/discover", style=dashed];
    Agent2 -> Registry [label="register/discover", style=dashed];
    Agent3 -> Registry [label="register/discover", style=dashed];
    
    // Message flows
    Agent1 -> MessageBroker [dir=both, label="publish/subscribe"];
    Agent2 -> MessageBroker [dir=both, label="publish/subscribe"];
    Agent3 -> MessageBroker [dir=both, label="publish/subscribe"];
}