/**
 * ═══════════════════════════════════════════════════════════════════════════
 * A2A Hub — Outil MCP pour la communication Agent-to-Agent
 * ═══════════════════════════════════════════════════════════════════════════
 *
 * Architecture distribuée — chaque bridge est un serveur HTTP indépendant:
 *
 *   a2a_hub parle DIRECTEMENT aux bridges HTTP:
 *     POST :31XX/rpc  → JSON-RPC 2.0 agent.run (NEXUS bridges)
 *     POST :30XX/send → legacy message synchrone (discord_llm bridge)
 *     GET  :XXXX/health → status live
 *
 * Découverte automatique:
 *   1. Scan ports 3101-3120 (NEXUS bridges) + 3001-3020 (legacy workers)
 *   2. Scan ~/.overmind/hermes/profiles/ (Linux) + ~/AppData/Local/hermes/profiles/ (Windows)
 *   3. Cross-reference: profile ↔ bridge port
 *   4. Lit Nexus/tmp/bridge_pids.json si présent
 *
 * PROD FIXES (2026-07-10):
 *   - fetch() async au lieu de execSync('curl') — ne bloque plus l'event loop
 *   - Vrai parallélisme pour fanout/broadcast (Promise.all)
 *   - Support dual: POST /rpc (JSON-RPC) + POST /send (legacy)
 *   - Port scan: 3101-3120 (NEXUS) + 3001-3020 (legacy)
 *   - Profils Hermes: ~/.overmind/hermes/ + ~/AppData/Local/hermes/
 *   - 127.0.0.1 au lieu de localhost (IPv4/IPv6 fix)
 */
import { z } from 'zod';
export declare const a2aHubSchema: z.ZodObject<{
    action: z.ZodEnum<{
        pipeline: "pipeline";
        send: "send";
        status: "status";
        query: "query";
        discover: "discover";
        delegate: "delegate";
        fanout: "fanout";
        broadcast: "broadcast";
    }>;
    target: z.ZodOptional<z.ZodString>;
    message: z.ZodOptional<z.ZodString>;
    targets: z.ZodOptional<z.ZodArray<z.ZodString>>;
    steps: z.ZodOptional<z.ZodArray<z.ZodObject<{
        agentName: z.ZodString;
        promptPrefix: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>>;
    mergeStrategy: z.ZodDefault<z.ZodOptional<z.ZodEnum<{
        concat: "concat";
        best: "best";
        vote: "vote";
        first_success: "first_success";
    }>>>;
    race: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
    async: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
    accumulateContext: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
    timeoutMs: z.ZodOptional<z.ZodNumber>;
    model: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export declare function a2aHub(args: z.infer<typeof a2aHubSchema>): Promise<{
    content: {
        type: "text";
        text: string;
    }[];
    isError?: undefined;
} | {
    content: {
        type: "text";
        text: string;
    }[];
    isError: boolean;
}>;
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