{
  "in_dim": 3840,
  "out_dim": 512,
  "hidden": 1024,
  "variant": "radio_summary",
  "encoder": "nvidia/C-RADIOv2-H",
  "tile": 512,
  "pooling": "RADIO summary vector",
  "question": "Is there a bone fracture in this X-ray?",
  "options": [
    "Yes, there is a fracture.",
    "No, there is no fracture."
  ],
  "positive_option": 0,
  "action_tower": {
    "encoder": "Qwen/Qwen3-8B (last-token pooling)",
    "head": "Contrastive-LM/CLM-v0.1-8B/CLM_v0.1-8B.pt"
  }
}