{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "title": "Schema for DesignPrinciples",
  "description": "JSON schema describing the markdown structure of OperationalKnowledge DesignPrinciples",
  "properties": {
    "headings": {
      "type": "object",
      "description": "Document heading structure",
      "properties": {
        "level_1": {
          "type": "array",
          "description": "Headings at level 1",
          "items": {
            "type": "object",
            "properties": {
              "content": {
                "type": "string"
              },
              "level": {
                "type": "integer"
              },
              "position": {
                "type": "integer"
              }
            },
            "required": [
              "content",
              "level"
            ]
          },
          "minItems": 1,
          "maxItems": 1
        },
        "level_2": {
          "type": "array",
          "description": "Headings at level 2",
          "items": {
            "type": "object",
            "properties": {
              "content": {
                "type": "string"
              },
              "level": {
                "type": "integer"
              },
              "position": {
                "type": "integer"
              }
            },
            "required": [
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              "level"
            ]
          },
          "minItems": 4,
          "maxItems": 12
        },
        "level_3": {
          "type": "array",
          "description": "Headings at level 3",
          "items": {
            "type": "object",
            "properties": {
              "content": {
                "type": "string"
              },
              "level": {
                "type": "integer"
              },
              "position": {
                "type": "integer"
              }
            },
            "required": [
              "content",
              "level"
            ]
          },
          "minItems": 0,
          "maxItems": 40
        }
      }
    },
    "paragraphs": {
      "type": "array",
      "description": "Text paragraphs",
      "minItems": 8,
      "maxItems": 120
    },
    "lists": {
      "type": "array",
      "description": "Lists (ordered and unordered)",
      "minItems": 0,
      "maxItems": 20
    },
    "emphasis": {
      "type": "array",
      "description": "Text emphasis (bold, italic)",
      "minItems": 0,
      "maxItems": 120
    },
    "metadata": {
      "type": "object",
      "description": "Document structure metadata",
      "properties": {
        "total_elements": {
          "type": "integer",
          "const": 115
        },
        "structure_types": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "All structural element types found",
          "const": [
            "paragraph_close",
            "heading_close",
            "hr",
            "bullet_list_open",
            "paragraph_open",
            "heading_open",
            "ordered_list_open",
            "ordered_list_close",
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            "list_item_close",
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        }
      }
    }
  }
}