export const DSL_PRELUDE = `
// Built-in types and relations available in every graph.
// These are intended for request-scoped auth/session evidence (partial graph inputs).

definition User {
  id: string
}

definition Account {
  id: string
  tier: string
}

definition Device {
  id: string
  device_risk: number
  auth_method: string
  ip_address: string
  user_agent: string
}

definition AuthSession {
  login_time: timestamp
  last_login_time: timestamp
  mfa_used: boolean
  auth_method: string
  ip_address: string
  user_agent: string
  expires_at: timestamp
  device_risk: number
}

fact session_for_user(user: User, session: AuthSession)
fact session_for_account(account: Account, session: AuthSession)
fact session_for_device(device: Device, session: AuthSession)
fact logged_in_as(device: Device, account: Account)
`;