feat(): 大量更新

Assets/Script/Gameplay/Card/CardBook/CardSlot.cs

@@ -0,0 +1,23 @@
+namespace Gameplay
+{
+    public class CardSlot
+    {
+        public Card StoredCard;
+        public bool IsEmpty => StoredCard == null;
+        public int ActiveTimes = 0;
+        
+        public void StoreCard(Card card)
+        {
+            StoredCard = card;
+            ActiveTimes = 0;
+        }
+        
+        public Card RemoveCard()
+        {
+            var card = StoredCard;
+            StoredCard = null;
+            ActiveTimes = 0;
+            return card;
+        }
+    }
+}