feat(battle-engine): close the AI-simulation subsystem (verbatim)

Copied the 89 uncopied AI*SimulationUtility/extension files defining the
AIVirtualCard/AIVirtualField extension methods; the compile loop then auto-closed
the revealed type deps (~3049 files total, drift-clean). 10.0k -> 62 errors.

SVSim.BattleEngine/Engine/Wizard/PracticePuzzleBattleStartTask.cs

@@ -0,0 +1,21 @@
+namespace Wizard;
+
+public class PracticePuzzleBattleStartTask : BaseTask
+{
+	public class PracticePuzzleBattleStartTaskTaskParam : BaseParam
+	{
+		public int puzzle_id;
+	}
+
+	public PracticePuzzleBattleStartTask()
+	{
+		base.type = ApiType.Type.PracticePuzzleBattleStart;
+	}
+
+	public void SetParameter(int puzzleId)
+	{
+		PracticePuzzleBattleStartTaskTaskParam practicePuzzleBattleStartTaskTaskParam = new PracticePuzzleBattleStartTaskTaskParam();
+		practicePuzzleBattleStartTaskTaskParam.puzzle_id = puzzleId;
+		base.Params = practicePuzzleBattleStartTaskTaskParam;
+	}
+}