feat(地图系统): 实现角色移动约束和地图切换功能

添加地图移动区域检测和角色移动约束逻辑
引入地图切换请求队列机制，支持延迟处理角色传送
在CharacterObject中实现地图边界检测和位置约束应用

Game/include/world/GameWorld.h

@@ -3,6 +3,7 @@
 #include "world/GameTown.h"
 #include <frostbite2D/scene/scene.h>
 #include <map>
+#include <optional>
 
 namespace frostbite2D {
 
@@ -13,18 +14,28 @@ public:
 
   void onEnter() override;
   void onExit() override;
+  void Update(float deltaTime) override;
 
   void AddCharacter(RefPtr<Actor> actor, int townId);
   void MoveCharacter(RefPtr<Actor> actor, int townId, int area);
+  void RequestMoveCharacter(RefPtr<Actor> actor, int townId, int area);
 
   static GameWorld* GetWorld();
 
 private:
+  struct PendingCharacterMove {
+    RefPtr<Actor> actor;
+    int townId = -1;
+    int area = -1;
+  };
+
   bool InitWorld();
+  void ProcessPendingCharacterMove();
 
   std::map<int, std::string> townPathMap_;
   std::map<int, RefPtr<GameTown>> townMap_;
   RefPtr<Actor> mainActor_;
+  std::optional<PendingCharacterMove> pendingCharacterMove_;
   int curTown_ = -1;
   bool initialized_ = false;
 };