feat(bp): add BattlePassSeasonEntry + BattlePassRewardEntry + BattlePassTrack enum

SVSim.Database/Models/BattlePassRewardEntry.cs

@@ -0,0 +1,22 @@
+using SVSim.Database.Common;
+using SVSim.Database.Enums;
+
+namespace SVSim.Database.Models;
+
+/// <summary>
+/// One reward cell on a battle pass season (track × level). Capture shows at most one
+/// reward per (season, track, level) — enforced by unique index in DbContext.
+/// RewardType integers come from <see cref="UserGoodsType"/>.
+/// </summary>
+public class BattlePassRewardEntry : BaseEntity<long>
+{
+    public int SeasonId { get; set; }
+    public BattlePassTrack Track { get; set; }
+    public int Level { get; set; }
+    public int RewardType { get; set; }
+    public long RewardDetailId { get; set; }
+    public int RewardNumber { get; set; }
+    public bool IsAppealExclusion { get; set; }
+
+    public BattlePassSeasonEntry Season { get; set; } = null!;
+}