Amended NiO negative-control input for quest 01a07cd1 item 01a07e8c-7d76: minimal magnetically compensated Type-II AFM embedding, 2x1x1 of the primitive fcc rock-salt cell (4 atoms, 2 Ni, seed [+2,-2,0,0] uB, net 0). Lattice a=4.2238 A taken from validated panel input REF-02 (file 2b3d5038-c642-4874-8306-4e648622a53e); min pair 2.1119 A, density 6.5838 g/cm3. Built and validated with pymatgen 2026-09-08.