export interface User {
  id: number
  username: string
  email: string
  status: string
  balance: number | null
  expiry_at: string | null
  last_login_at: string | null
  last_heartbeat_at: string | null
  device_count: number
  online_status: string
  application_id: number
  is_trial_user: boolean
  created_at: string
  application?: {
    id: number
    name: string
    billing_type: string | null
  }
}
