Add shared bandit effect hooks

tools/deck/cb/deckturn.mjs

@@ -247,6 +247,11 @@ end
 self.TurnAttackMultiplier = self.NextTurnAttackMultiplier or 1
 self.NextTurnAttackMultiplier = 1
 self.CardsDrawnThisCombat = self.CardsDrawnThisCombat or 0
+self.ShivFirstDamageBonusUsed = false
+self.ActiveAttackDamageVsWeakMultiplier = 1
+self.DrawDamageThisTurn = 0
+self.DrawPoisonThisTurn = 0
+self.ShivAoeThisCombat = false
 self.HandCostZeroThisTurn = false
 self.DrawDisabledThisTurn = false
 local powerTurnDraw = 0
@@ -419,7 +424,7 @@ local kept = {}
 for i = 1, #self.Hand do
 \tlocal cardId = self.Hand[i]
 \tlocal c = self.Cards[cardId]
-\tif c ~= nil and (c.retain == true or i == retainSlot) then
+\tif c ~= nil and (c.retain == true or (c.class == "shiv" and self:HasPowerField("shivRetain") == true) or i == retainSlot) then
 \t\ttable.insert(kept, cardId)
 \telse
 \t\ttable.insert(self.DiscardPile, cardId)