{
  "$schema": "https://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "repository": {
      "description": "The repository associated with the project.",
      "type": "string"
    },
    "owner_url": {
      "description": "The URL to view the owner or creator of the project.",
      "type": ["null", "string"]
    },
    "url": {
      "description": "The URL for accessing the project.",
      "type": ["null", "string"]
    },
    "html_url": {
      "description": "The HTML URL for viewing the project.",
      "type": ["null", "string"]
    },
    "columns_url": {
      "description": "The URL to view the project's columns or categories.",
      "type": ["null", "string"]
    },
    "id": {
      "description": "The unique identifier for the project.",
      "type": ["null", "integer"]
    },
    "node_id": {
      "description": "The Node ID associated with the project.",
      "type": ["null", "string"]
    },
    "name": {
      "description": "The name of the project.",
      "type": ["null", "string"]
    },
    "body": {
      "description": "The description or main content of the project.",
      "type": ["null", "string"]
    },
    "number": {
      "description": "The project number or identifier.",
      "type": ["null", "integer"]
    },
    "state": {
      "description": "The state or status of the project.",
      "type": ["null", "string"]
    },
    "creator": {
      "description": "The user or entity who created the project.",
      "$ref": "user.json"
    },
    "created_at": {
      "description": "The date and time when the project was created.",
      "type": "string",
      "format": "date-time"
    },
    "updated_at": {
      "description": "The date and time when the project was last updated.",
      "type": "string",
      "format": "date-time"
    }
  }
}