{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://github.com/dttxorg/deepseekeyes/schemas/visual-evidence.schema.json",
  "title": "DeepSeekEyes visual evidence",
  "description": "Canonical strict schemas for base and targeted visual evidence.",
  "oneOf": [
    { "$ref": "#/definitions/baseEvidence" },
    { "$ref": "#/definitions/targetEvidence" }
  ],
  "definitions": {
    "nonEmptyString": {
      "type": "string",
      "minLength": 1,
      "maxLength": 20000
    },
    "normalizedBbox": {
      "type": "array",
      "description": "Normalized [x,y,width,height] rectangle contained by the image.",
      "normalizedBox": true,
      "minItems": 4,
      "maxItems": 4,
      "items": [
        { "type": "number", "minimum": 0, "maximum": 1 },
        { "type": "number", "minimum": 0, "maximum": 1 },
        { "type": "number", "exclusiveMinimum": 0, "maximum": 1 },
        { "type": "number", "exclusiveMinimum": 0, "maximum": 1 }
      ],
      "additionalItems": false
    },
    "confidence": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "ocrEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["text", "bbox", "confidence"],
      "properties": {
        "text": { "$ref": "#/definitions/nonEmptyString" },
        "bbox": { "$ref": "#/definitions/normalizedBbox" },
        "confidence": { "$ref": "#/definitions/confidence" }
      }
    },
    "regionEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "bbox", "description"],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1,
          "maxLength": 128,
          "pattern": "^[A-Za-z0-9._:-]+$"
        },
        "bbox": { "$ref": "#/definitions/normalizedBbox" },
        "description": { "$ref": "#/definitions/nonEmptyString" }
      }
    },
    "objectEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["name", "bbox", "attributes"],
      "properties": {
        "name": { "$ref": "#/definitions/nonEmptyString" },
        "bbox": { "$ref": "#/definitions/normalizedBbox" },
        "attributes": {
          "type": "array",
          "maxItems": 256,
          "uniqueItems": true,
          "items": { "$ref": "#/definitions/nonEmptyString" }
        }
      }
    },
    "observationEntry": {
      "type": "object",
      "additionalProperties": false,
      "required": ["fact", "bbox", "confidence"],
      "properties": {
        "fact": { "$ref": "#/definitions/nonEmptyString" },
        "bbox": { "$ref": "#/definitions/normalizedBbox" },
        "confidence": { "$ref": "#/definitions/confidence" }
      }
    },
    "baseEvidence": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "schemaVersion",
        "summary",
        "ocr",
        "regions",
        "objects",
        "relations",
        "quantitativeFacts",
        "uncertainties"
      ],
      "properties": {
        "schemaVersion": { "const": "deepseekeyes.evidence.v1" },
        "summary": { "$ref": "#/definitions/nonEmptyString" },
        "ocr": {
          "type": "array",
          "maxItems": 5000,
          "items": { "$ref": "#/definitions/ocrEntry" }
        },
        "regions": {
          "type": "array",
          "maxItems": 1000,
          "items": { "$ref": "#/definitions/regionEntry" }
        },
        "objects": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/objectEntry" }
        },
        "relations": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/nonEmptyString" }
        },
        "quantitativeFacts": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/nonEmptyString" }
        },
        "uncertainties": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/nonEmptyString" }
        }
      }
    },
    "targetEvidence": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schemaVersion", "answer", "observations", "ocr", "uncertainties"],
      "properties": {
        "schemaVersion": { "const": "deepseekeyes.target.v1" },
        "answer": { "$ref": "#/definitions/nonEmptyString" },
        "observations": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/observationEntry" }
        },
        "ocr": {
          "type": "array",
          "maxItems": 5000,
          "items": { "$ref": "#/definitions/ocrEntry" }
        },
        "uncertainties": {
          "type": "array",
          "maxItems": 2000,
          "items": { "$ref": "#/definitions/nonEmptyString" }
        }
      }
    }
  }
}