Pack logic cleanup

SVSim.Bootstrap/Importers/CardImporter.cs

@@ -84,6 +84,8 @@ public class CardImporter
                 DustReward = ParseInt(c.GetRedEther, 0)
             };
 
+            bool isFoil = c.IsFoil == "1";
+
             if (existingCards.TryGetValue(id, out var card))
             {
                 card.Rarity = (Rarity)rarity;
@@ -92,6 +94,7 @@ public class CardImporter
                 card.Defense = ParseNullableInt(c.Life);
                 card.Class = classEntry;
                 card.CollectionInfo = collection;
+                card.IsFoil = isFoil;
                 updated++;
             }
             else
@@ -105,7 +108,8 @@ public class CardImporter
                     Attack = ParseNullableInt(c.Atk),
                     Defense = ParseNullableInt(c.Life),
                     Class = classEntry,
-                    CollectionInfo = collection
+                    CollectionInfo = collection,
+                    IsFoil = isFoil
                 };
                 set.Cards.Add(card);
                 existingCards[id] = card;
@@ -145,4 +149,5 @@ public class CardInput
     public string? Rarity { get; set; }
     public string? GetRedEther { get; set; }
     public string? UseRedEther { get; set; }
+    public string? IsFoil { get; set; }    // cards.json `is_foil` = "0" or "1"
 }