{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/affinda/json-schema/affinda-annotation-schema.json",
  "title": "Affinda Annotation",
  "description": "A field-level annotation on a parsed Affinda document.",
  "type": "object",
  "required": ["id"],
  "properties": {
    "id": { "type": "integer", "description": "Annotation identifier." },
    "rectangle": { "$ref": "#/$defs/Rectangle" },
    "rectangles": { "type": "array", "items": { "$ref": "#/$defs/Rectangle" } },
    "pageIndex": { "type": ["integer", "null"] },
    "raw": { "type": ["string", "null"], "description": "Raw OCR text for this annotation." },
    "confidence": { "type": ["number", "null"], "minimum": 0, "maximum": 1 },
    "classificationConfidence": { "type": ["number", "null"], "minimum": 0, "maximum": 1 },
    "textExtractionConfidence": { "type": ["number", "null"], "minimum": 0, "maximum": 1 },
    "isVerified": { "type": "boolean" },
    "isClientVerified": { "type": "boolean" },
    "isAutoVerified": { "type": "boolean" },
    "dataPoint": { "type": ["string", "null"], "description": "Data point identifier." },
    "contentType": { "type": "string" },
    "parsed": { "description": "Parsed normalized value (may be string, number, object, or array)." },
    "parent": { "type": ["integer", "null"], "description": "Parent annotation id (for table cells)." }
  },
  "$defs": {
    "Rectangle": {
      "type": "object",
      "properties": {
        "x0": { "type": "number" },
        "y0": { "type": "number" },
        "x1": { "type": "number" },
        "y1": { "type": "number" },
        "pageIndex": { "type": "integer" }
      }
    }
  }
}