feat(init): server has been rewritten

src/CapySR.GameServer/Battle/BattleInstance.cs

@@ -0,0 +1,47 @@
+using CapySR.Data.SrTools;
+using CapySR.Protocol;
+
+namespace CapySR.GameServer.Battle;
+
+public enum BattleOrigin
+{
+    Overworld,
+    Stage,
+    Cocoon,
+    FarmElement,
+    College,
+    Challenge,
+}
+
+// one fight from the moment the client is told about it until it reports the result
+public sealed class BattleInstance
+{
+    public required uint BattleId { get; init; }
+
+    public required uint StageId { get; init; }
+
+    public required BattleOrigin Origin { get; init; }
+
+    public BattleKind Kind { get; init; } = BattleKind.Default;
+
+    public required SceneBattleInfo Info { get; init; }
+
+    public List<uint> Lineup { get; init; } = [];
+
+    // scene entities that die when the fight is won
+    public List<uint> MonsterEntityIds { get; init; } = [];
+
+    public uint EventId { get; init; }
+
+    public uint CocoonId { get; init; }
+
+    public uint Wave { get; init; }
+
+    public uint FarmElementId { get; init; }
+
+    public uint CollegeId { get; init; }
+
+    public bool UsesTrialAvatars { get; init; }
+
+    public bool IsChallenge => Origin == BattleOrigin.Challenge;
+}