{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://baodan.example/schemas/document-ir-v1.json",
  "title": "Insurance Document IR v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "document", "pages", "tables", "quality"],
  "properties": {
    "schemaVersion": {"const": "document-ir-v1"},
    "document": {
      "type": "object",
      "additionalProperties": false,
      "required": ["sha256", "mimeType", "pageCount", "pdfKind", "status"],
      "properties": {
        "sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"},
        "mimeType": {"const": "application/pdf"},
        "pageCount": {"type": "integer", "minimum": 1},
        "pdfKind": {"enum": ["native", "scanned", "mixed"]},
        "status": {"enum": ["queued", "processing", "partial", "parsed", "blocked", "failed"]},
        "parserVersion": {"type": "string"},
        "ocrVersion": {"type": ["string", "null"]},
        "profileCode": {"type": ["string", "null"]},
        "profileVersion": {"type": ["string", "null"]}
      }
    },
    "pages": {
      "type": "array",
      "items": {"$ref": "#/$defs/page"}
    },
    "tables": {
      "type": "array",
      "items": {"$ref": "#/$defs/table"}
    },
    "quality": {
      "type": "object",
      "required": ["nativePageCount", "ocrPageCount", "lowQualityPages"],
      "properties": {
        "nativePageCount": {"type": "integer", "minimum": 0},
        "ocrPageCount": {"type": "integer", "minimum": 0},
        "lowQualityPages": {"type": "array", "items": {"type": "integer", "minimum": 1}},
        "warnings": {"type": "array", "items": {"type": "string"}}
      }
    }
  },
  "$defs": {
    "bbox": {
      "type": "array",
      "prefixItems": [{"type": "number"}, {"type": "number"}, {"type": "number"}, {"type": "number"}],
      "minItems": 4,
      "maxItems": 4
    },
    "block": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "text", "bbox", "source"],
      "properties": {
        "id": {"type": "string"},
        "text": {"type": "string"},
        "bbox": {"$ref": "#/$defs/bbox"},
        "source": {"enum": ["native", "ocr"]},
        "confidence": {"type": ["number", "null"], "minimum": 0, "maximum": 1}
      }
    },
    "page": {
      "type": "object",
      "additionalProperties": false,
      "required": ["pageNumber", "width", "height", "pageClass", "textBlocks", "ocrBlocks"],
      "properties": {
        "pageNumber": {"type": "integer", "minimum": 1},
        "width": {"type": "number", "exclusiveMinimum": 0},
        "height": {"type": "number", "exclusiveMinimum": 0},
        "pageClass": {"type": "string"},
        "nativeTextQuality": {"type": ["number", "null"], "minimum": 0, "maximum": 1},
        "ocrQuality": {"type": ["number", "null"], "minimum": 0, "maximum": 1},
        "textBlocks": {"type": "array", "items": {"$ref": "#/$defs/block"}},
        "ocrBlocks": {"type": "array", "items": {"$ref": "#/$defs/block"}}
      }
    },
    "table": {
      "type": "object",
      "additionalProperties": false,
      "required": ["tableId", "scenarioType", "headers", "rows", "sourcePages"],
      "properties": {
        "tableId": {"type": "string"},
        "scenarioType": {"type": "string"},
        "headers": {"type": "array", "items": {"type": "object"}},
        "rows": {"type": "array", "items": {"type": "object"}},
        "sourcePages": {"type": "array", "items": {"type": "integer", "minimum": 1}},
        "continuationOf": {"type": ["string", "null"]},
        "bbox": {"anyOf": [{"$ref": "#/$defs/bbox"}, {"type": "null"}]},
        "conflicts": {"type": "array", "items": {"type": "object"}}
      }
    }
  }
}