Archive 2 checkpoints (1-2)

paper-releases/pbisc-diffusion/updates/20261001T200638Z-extra-realism-metrics/diffusion/metadata/NOTE.md

@@ -0,0 +1,5 @@
+# PBISC-diffusion update 20261001T200638Z-extra-realism-metrics
+
+2026-10-02. Additional realism/diversity metrics for the paired benchmark (5-donor few-pair and 5-fold pooled, 5 cohorts, all arms + real-vs-real control): kNN/RF classifier two-sample AUC, 1-NN accuracy, RBF MMD2, scSemiProfiler E_N (reference-implementation check), precision/coverage at k = 3/5/10 (k = 10 reproduces score_ft exactly). tools/extra_metrics.py, collect_extra_metrics.py, run_extra_unit.sh, tests, scores_extra/. CPU only.
+
+Payload states are recorded as supplied. Inference locations are pointers, not archived generated outputs.