glm-dsa-bench — BK reconciliation kit for jundot/omlx#2244

bench_bk.py + a real captured GLM-5.2 top-k selection tensor (glm52_topk_indices_L10_S131072.npz: layer 10, S=131072, qL=4096, synthetic long-context corpus — indices only). See the script docstring for usage and our reference numbers. Context: jundot/omlx#2244

Co-authored with Claude Fable 5 (Anthropic).