Function buildAck

packages/server/src/ws/protocol.ts:76–78

(id: string, code: number, msg: string, payload: P)

}

export function buildAck<P>(id: string, code: number, msg: string, payload: P): AckFrame<P> {
  return { type: 'ack', id, code, msg, payload };
}

/**
 * WS.md §2: event envelope (S→C). `seq` is per-session monotonically