Function writeFrame

src/daemon/framing.ts:7–12

(socket: net.Socket, obj: unknown)

 * Format: 4-byte big-endian length + JSON payload
 */
export function writeFrame(socket: net.Socket, obj: unknown): void {
  const json = Buffer.from(JSON.stringify(obj), 'utf8');
  const header = Buffer.alloc(4);
  header.writeUInt32BE(json.length, 0);
  socket.write(Buffer.concat([header, json]));
}

/**
 * Create a frame reader that buffers incoming data and emits complete messages.