refactor(pack): type PackChildGachaEntry.TypeDetail as CardPackType enum

SVSim.Database/Enums/CardPackType.cs

@@ -0,0 +1,24 @@
+namespace SVSim.Database.Enums;
+
+/// <summary>
+/// Mirrors <c>GachaUI.CardPackType</c> in the decompiled client
+/// (<c>Shadowverse_Code/GachaUI.cs</c> line 11). Wire value = (int)enum, carried on
+/// /pack/info as <c>child_gacha_info[].type_detail</c>.
+/// </summary>
+public enum CardPackType
+{
+    None = 0,
+    Crystal = 1,
+    CrystalMulti = 2,
+    Daily = 3,
+    Ticket = 4,
+    TicketMulti = 5,
+    Rupy = 6,
+    RupyMulti = 7,
+    CrystalSpecial = 8,
+    CrystalSelectSkin = 9,
+    FreePacks = 10,
+    FreePackWithSkin = 11,
+    RotationStarterPack = 12,
+    CrystalAcquireSkinCardPack = 13,
+}

SVSim.Database/Models/PackChildGachaEntry.cs

@@ -1,20 +1,17 @@
 using Microsoft.EntityFrameworkCore;
+using SVSim.Database.Enums;
 
 namespace SVSim.Database.Models;
 
 /// <summary>
 /// One sub-option inside a pack (single-open / 10-open / ticket / daily-free).
 /// Wire shape: one entry of <c>child_gacha_info</c> in /pack/info. Owned by PackConfigEntry.
-/// <c>TypeDetail</c> corresponds to <c>GachaUI.CardPackType</c>:
-/// 1=CRYSTAL, 2=CRYSTAL_MULTI, 3=DAILY, 4=TICKET, 5=TICKET_MULTI, 6=RUPY, 7=RUPY_MULTI,
-/// 8=CRYSTAL_SPECIAL, 9=CRYSTAL_SELECT_SKIN, 10=FREE_PACKS, 11=FREE_PACK_WITH_SKIN,
-/// 12=ROTATION_STARTER_PACK, 13=CRYSTAL_ACQUIRE_SKIN_CARD_PACK.
 /// </summary>
 [Owned]
 public class PackChildGachaEntry
 {
     public int GachaId { get; set; }
-    public int TypeDetail { get; set; }
+    public CardPackType TypeDetail { get; set; }
     public int Cost { get; set; }
     public int CardCount { get; set; }
     public long? ItemId { get; set; }