Turn under control reworked:

- game: added support when a human is take control over a computer player (related to #12878);
 - game: fixed game freezes while controlling player leaves/disconnect on active priority/choose of another player;

Mage/src/main/java/mage/game/GameImpl.java

@@ -845,6 +845,10 @@ public abstract class GameImpl implements Game {
             // concede for itself
             // stop current player dialog and execute concede
             currentPriorityPlayer.signalPlayerConcede(true);
+        } else if (currentPriorityPlayer.getTurnControlledBy().equals(playerId)) {
+            // concede for itself while controlling another player
+            // stop current player dialog and execute concede
+            currentPriorityPlayer.signalPlayerConcede(true);
         } else {
             // concede for another player
             // allow current player to continue and check concede on any next priority

Mage/src/main/java/mage/players/Player.java

@@ -46,7 +46,15 @@ import java.util.UUID;
 import java.util.stream.Collectors;
 
 /**
- * @author BetaSteward_at_googlemail.com
+ * Warning, if you add new choose dialogs then must implement it for:
+ * - PlayerImpl (only if it use another default dialogs inside)
+ * - HumanPlayer (support client-server in human games)
+ * - ComputerPlayer (support AI in computer games)
+ * - StubPlayer (temp)
+ * - ComputerPlayerControllableProxy (support control of one player type over another player type)
+ * - TestPlayer (support unit tests)
+ *
+ * @author BetaSteward_at_googlemail.com, JayDi85
  */
 public interface Player extends MageItem, Copyable<Player> {
 
@@ -1212,8 +1220,6 @@ public interface Player extends MageItem, Copyable<Player> {
      */
     boolean addTargets(Ability ability, Game game);
 
-    String getHistory();
-
     boolean hasDesignation(DesignationType designationName);
 
     void addDesignation(Designation designation);
@@ -1253,4 +1259,8 @@ public interface Player extends MageItem, Copyable<Player> {
      * so that's method helps to find real player that used by a game (in most use cases it's a PlayerImpl)
      */
     Player getRealPlayer();
+
+    default Player prepareControllableProxy(Player playerUnderControl) {
+        return this;
+    }
 }

Mage/src/main/java/mage/players/PlayerImpl.java

@@ -5372,11 +5372,6 @@ public abstract class PlayerImpl implements Player, Serializable {
         return true;
     }
 
-    @Override
-    public String getHistory() {
-        return "no available";
-    }
-
     @Override
     public boolean hasDesignation(DesignationType designationName) {
         for (Designation designation : designations) {