{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/lobsters/refs/heads/main/json-schema/user.json",
  "title": "User",
  "description": "A Lobsters community member's public profile",
  "type": "object",
  "properties": {
    "username": {
      "type": "string",
      "description": "Unique username for the account"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the account was created"
    },
    "is_admin": {
      "type": "boolean",
      "description": "Whether the user has administrator privileges"
    },
    "is_moderator": {
      "type": "boolean",
      "description": "Whether the user has moderator privileges"
    },
    "karma": {
      "type": "integer",
      "description": "Karma score derived from story and comment votes (omitted for admins)"
    },
    "homepage": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "User's personal homepage URL"
    },
    "about": {
      "type": "string",
      "description": "HTML-rendered about/bio text"
    },
    "avatar_url": {
      "type": "string",
      "format": "uri",
      "description": "URL of the user's avatar image"
    },
    "invited_by_user": {
      "type": ["string", "null"],
      "description": "Username of the user who sent the invitation; null for founding members"
    },
    "github_username": {
      "type": "string",
      "description": "GitHub username if linked (omitted when not set)"
    },
    "mastodon_username": {
      "type": "string",
      "description": "Mastodon handle if linked (omitted when not set)"
    }
  },
  "required": [
    "username",
    "created_at",
    "is_admin",
    "is_moderator",
    "homepage",
    "about",
    "avatar_url"
  ]
}