Data and code for "Precision of an autonomous demon exploiting nonthermal resources and information"

Code and numerically generated data for the article "Precision of an autonomous demon exploiting nonthermal resources and information" arXiv:2510.14578, see README.md for details. Changes with respect to version v1: Following modifications of the article, the Q performance quantifiers have been renamed X. The Mathematica notebook with the noninteracting setup calculations has been added. A normalization error in fig8_pcool.txt has been corrected.