{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$comment": "Structured output from skills/nv-reason-cxr/scripts/run_nv_reason_cxr.py.",
  "type": "object",
  "required": ["skill", "input", "output", "runtime", "limitations"],
  "properties": {
    "skill": {
      "const": "nv_reason_cxr"
    },
    "input": {
      "type": "object",
      "required": ["case_id", "prompt", "image"],
      "properties": {
        "case_id": {"type": "string", "minLength": 1},
        "prompt": {"type": "string", "minLength": 1},
        "image": {
          "type": "object",
          "required": [
            "path",
            "source",
            "format",
            "width",
            "height",
            "sha256"
          ],
          "properties": {
            "path": {"type": "string", "minLength": 1},
            "source": {
              "enum": ["file", "fixture_file", "generated_fixture"]
            },
            "format": {
              "enum": ["png", "jpeg"]
            },
            "width": {"type": "integer", "minimum": 1},
            "height": {"type": "integer", "minimum": 1},
            "sha256": {
              "type": "string",
              "pattern": "^[0-9a-f]{64}$"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "required": ["response_text", "text_chars"],
      "properties": {
        "response_text": {"type": "string", "minLength": 1},
        "text_chars": {"type": "integer", "minimum": 1}
      },
      "additionalProperties": false
    },
    "runtime": {
      "type": "object",
      "required": [
        "model",
        "mode",
        "mock",
        "device",
        "torch_dtype",
        "max_new_tokens",
        "inference_seconds",
        "local_files_only",
        "generated_tokens",
        "truncated_by_max_new_tokens"
      ],
      "properties": {
        "model": {"type": "string", "minLength": 1},
        "mode": {"enum": ["mock", "hf_transformers"]},
        "mock": {"type": "boolean"},
        "device": {"type": "string", "minLength": 1},
        "torch_dtype": {"type": "string", "minLength": 1},
        "max_new_tokens": {"type": "integer", "minimum": 1},
        "inference_seconds": {"type": "number", "minimum": 0},
        "local_files_only": {"type": "boolean"},
        "generated_tokens": {"type": "integer", "minimum": 0},
        "truncated_by_max_new_tokens": {"type": "boolean"},
        "transformers_version": {"type": ["string", "null"]},
        "torch_version": {"type": ["string", "null"]}
      },
      "additionalProperties": false
    },
    "limitations": {
      "type": "array",
      "items": {"type": "string", "minLength": 1},
      "minItems": 1
    }
  },
  "additionalProperties": false
}