Pack opening

SVSim.Database/Models/PackChildGachaEntry.cs

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+using Microsoft.EntityFrameworkCore;
+
+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 int Cost { get; set; }
+    public int CardCount { get; set; }
+    public long? ItemId { get; set; }
+    public bool IsDailySingle { get; set; }
+    public int OverrideIncreaseGachaPoint { get; set; }
+    public int PurchaseLimitCount { get; set; }
+    public int? FreeGachaCampaignId { get; set; }
+    public string? CampaignName { get; set; }
+}