Reproducibility kit for "N–Q–S × AR": data and scripts (v1)

Code and tabular data to reproduce the key numerical results and plots in the preprint.Contents:– data/fig1_max_delta_vs_bound.csv (Fig. 2 data), data/kstep_qubit_bounds.csv (k-step mixing demo).– code/fig1_plot.py, code/kstep_mixing_demo.py, requirements.txt.Licenses: Code under MIT (LICENSE); data under CC BY 4.0 (LICENSE_DATA).This material is not required to understand the main results; it enables reproducibility.