JSON-RPC Message Router (teams/MessageRouter.ts)

Handles encoding and decoding of JSON-RPC 2.0 messages over Node.js streams. Use this for inter-process communication between AI agents.

// Source: https://github.com/autohandai/code-cli | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * @license
 * Copyright 2025 Autohand AI LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import type { Readable, Writable } from 'node:stream';

const MAX_CHANNEL_BYTES = 1024 * 1024;

interface RpcMessage {
  jsonrpc?: '2.0';
  method: string;
  params: Record<string, unknown>;
  id?: number;
}

/**
 * Handles encoding/decoding JSON-RPC 2.0 messages as newline-delimited JSON
 * over Node.js streams. Used by TeammateProcess and TeamManager for
 * inter-agent communication via stdio.
 */
export class MessageRouter {
  /**
   * Encode a message payload into a JSON-RPC 2.0 JSON stri

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