{
  "desc_only_floor": 0.3612079,
  "source": "Stage 3.6 description-only Probe-K evaluation; pinned in summary.json[*].C2_cross_domain_transfer.desc_only_floor",
  "purpose": "Floor for cross-domain absolute Probe-K transfer condition (cond_i_cross_above_floor_plus_005). Configurations whose cross-domain accuracy falls below this floor cannot claim cross-domain absolute generalization."
}