{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:showpapers:scratch-document:1",
  "title": "Note Content",
  "$comment": "Runtime additionally enforces UTF-16 length and scalar boundaries, start < end <= text length, nonoverlapping link ranges, in-archive Paper resolution, exact manifest Paper references, byte limits and no unknown fields. Bold/italic marks may overlap and are preserved in order. This content profile does not encode saved checklist items or internal vault metadata.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "noteVersion",
    "text",
    "marks",
    "paperIds",
    "paperLinks"
  ],
  "properties": {
    "noteVersion": {
      "type": "integer",
      "const": 1
    },
    "text": {
      "type": "string",
      "maxLength": 32768,
      "pattern": "^[^\\u0000-\\u0008\\u000b-\\u001f\\u007f-\\u009f\\ud800-\\udfff]*$",
      "x-showpapers-maxUtf16CodeUnits": 32768,
      "description": "Exact Note text. LF and tab are allowed; carriage returns and other control characters are rejected. Bullet and checkbox state are literal line prefixes."
    },
    "marks": {
      "type": "array",
      "maxItems": 2048,
      "items": {
        "$ref": "#/$defs/mark"
      }
    },
    "paperIds": {
      "type": "array",
      "maxItems": 100,
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/id"
      }
    },
    "paperLinks": {
      "type": "array",
      "maxItems": 640,
      "items": {
        "$ref": "#/$defs/paperLink"
      }
    }
  },
  "$defs": {
    "id": {
      "type": "string",
      "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
    },
    "mark": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "start",
        "end",
        "style"
      ],
      "properties": {
        "start": {
          "type": "integer",
          "minimum": 0,
          "maximum": 32768
        },
        "end": {
          "type": "integer",
          "minimum": 1,
          "maximum": 32768
        },
        "style": {
          "type": "integer",
          "enum": [
            1,
            2
          ]
        }
      }
    },
    "paperLink": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "start",
        "end",
        "paperId"
      ],
      "properties": {
        "start": {
          "type": "integer",
          "minimum": 0,
          "maximum": 32768
        },
        "end": {
          "type": "integer",
          "minimum": 1,
          "maximum": 32768
        },
        "paperId": {
          "$ref": "#/$defs/id"
        }
      }
    }
  }
}