{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://driftsys.github.io/schemas/markspec/entry/v1.json",
  "title": "MarkSpec Entry",
  "description": "A single typed entry with resolved traceability links.",
  "type": "object",
  "required": ["displayId", "title", "entryType", "source", "location"],
  "additionalProperties": false,
  "properties": {
    "displayId": {
      "type": "string",
      "pattern": "^[A-Z]{2,}_[A-Z]{2,12}_[0-9]{3,4}$"
    },
    "title": {
      "type": "string"
    },
    "body": {
      "type": "string"
    },
    "id": {
      "type": "string"
    },
    "entryType": {
      "type": "string"
    },
    "source": {
      "type": "string",
      "enum": ["markdown", "doc-comment"]
    },
    "location": {
      "type": "object",
      "required": ["file", "line"],
      "additionalProperties": false,
      "properties": {
        "file": {
          "type": "string"
        },
        "line": {
          "type": "integer",
          "minimum": 1
        },
        "column": {
          "type": "integer",
          "minimum": 1
        }
      }
    },
    "attributes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["key", "value"],
        "additionalProperties": false,
        "properties": {
          "key": { "type": "string" },
          "value": { "type": "string" }
        }
      }
    },
    "labels": {
      "type": "array",
      "items": { "type": "string" }
    },
    "createdAt": {
      "type": "string",
      "format": "date-time"
    },
    "createdBy": {
      "type": "string"
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time"
    },
    "updatedBy": {
      "type": "string"
    },
    "links": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "satisfies": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "satisfiedBy": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "derivedFrom": {
          "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json"
        },
        "derivedTo": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "allocates": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "allocatedBy": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "verifies": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "verifiedBy": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "implements": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        },
        "implementedBy": {
          "type": "array",
          "items": { "$ref": "https://driftsys.github.io/schemas/markspec/link-target/v1.json" }
        }
      }
    },
    "url": {
      "type": "string"
    }
  }
}