ralph0.scala

import java.util.UUID

import cats.effect.{ContextShift, IO, Timer}
import sttp.tapir._
import sttp.model.StatusCode

case class AuthToken(token: String)
case class Error(msg: String, statusCode: StatusCode)
case class User(id: UUID, name: String)
case class Pet(id: UUID, kind: String, name: String)

def authorize(authToken: AuthToken): IO[Either[Error, User]] = ???
def findPetForUser(user: User, id: UUID): IO[Either[Error, Option[Pet]]] = ???
def addPetToUser(user: User, pet: Pet): IO[Either[Error, Unit]] = ???