// Simplified logic for enforcing request throttling per API token
func checkRateLimit(userToken string) error {
    count, err := redis.Incr(ctx, "limit:"+userToken).Result()
    if err != nil {
        return err
    }

    if count > MAX_REPOS_PER_HOUR {
        return fmt.Errorf("exceeded repository access limit")
    }
    return nil
}