Method onClose

src/mcp/transport.ts:356–358

* Register a callback fired exactly once when the socket closes (from either * side). Used by the daemon to decrement its connected-clients refcount.

(handler: () => void)

   * side). Used by the daemon to decrement its connected-clients refcount.
   */
  onClose(handler: () => void): void {
    this.closeHandlers.push(handler);
  }

  start(handler: MessageHandler): void {
    this.messageHandler = handler;