Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn, if an effect of a "Wind-Up" monster is activated (except during the Damage Step): You can add 1 Level 4 or lower "Wind-Up" monster from your Deck to your hand.
--ゼンマイマニュファクチャ
--Wind-Up Factory
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_FIELD)
	e2:SetCode(EVENT_CHAINING)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_WIND_UP}
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return re:IsMonsterEffect() and re:GetHandler():IsSetCard(SET_WIND_UP)
end
function s.filter(c)
	return c:IsSetCard(SET_WIND_UP) and c:IsLevelBelow(4) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsFaceup() and c:IsRelateToEffect(e) and not c:IsStatus(STATUS_CHAINING)
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end