/**
 * AgentBridge — Agent-to-agent messaging via the WebSocket bridge.
 *
 * Routes task assignments and results between the orchestrator and
 * external agent workers. Messages are tagged with agent IDs for routing.
 */
import { EventEmitter } from "events";
import type { MemoireWsServer } from "../figma/ws-server.js";
import type { AgentTaskEnvelope, AgentRegistryEntry } from "../plugin/shared/contracts.js";
export declare class AgentBridge extends EventEmitter {
    private wsServer;
    private msgCounter;
    constructor(wsServer: MemoireWsServer);
    /** Broadcast an agent registration to all connected clients. */
    broadcastRegistration(entry: AgentRegistryEntry): void;
    /** Broadcast an agent deregistration. */
    broadcastDeregistration(agentId: string): void;
    /** Send a task assignment to all connected clients (agent workers listen). */
    sendTaskAssignment(agentId: string, taskId: string, payload: unknown): void;
    /** Send a task cancellation. */
    sendTaskCancel(agentId: string, taskId: string): void;
    /** Handle an incoming agent message (task result from a worker). */
    handleAgentMessage(data: AgentTaskEnvelope): void;
}