feat(渲染): 实现NPC和地图层的渲染优化

重构NPC渲染逻辑，将交互高亮同步移至Render方法
为NpcAnimation添加帧激活检查以避免无效纹理刷新
为GameMapLayer添加调试覆盖层画布，优化可行区域和移动区域渲染
更新测试场景地图路径和相机控制器设置

Game/include/map/GameMap.h

@@ -93,9 +93,9 @@ private:
   int backgroundRepeatWidth_ = 0;
   /// 地图配置里的整体 Y 偏移；既影响层位置，也影响地板校准。
   int mapOffsetY_ = 0;
-  bool debugMode_ = true;
+  bool debugMode_ = false;
   /// 硬编码调试开关：关闭后忽略可行走区域检测，允许角色自由移动。
-  bool movableAreaCheckEnabled_ = false;
+  bool movableAreaCheckEnabled_ = true;
   /// 当前地图正在播放的背景音乐。
   Ptr<Music> currentMusic_;
 };

Game/include/map/GameMapLayer.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <frostbite2D/2d/canvas_actor.h>
 #include <frostbite2D/2d/actor.h>
 #include <vector>
 
@@ -18,15 +19,29 @@ public:
   void AddObject(RefPtr<Actor> obj);
 
 private:
+  void EnsureDebugOverlayCanvases();
+  void RefreshFeasibleAreaOverlay();
+  void RefreshMoveAreaOverlay();
+  Rect ComputeFeasibleAreaOverlayBounds() const;
+  Rect ComputeMoveAreaOverlayBounds() const;
+  void DrawFeasibleAreaOverlay() const;
+  void DrawMoveAreaOverlay() const;
+
   struct DebugMoveAreaInfo {
     Rect rect;
     size_t index = kInvalidMoveAreaIndex;
   };
 
+  RefPtr<CanvasActor> feasibleAreaOverlayCanvas_ = nullptr;
+  RefPtr<CanvasActor> moveAreaOverlayCanvas_ = nullptr;
   std::vector<Vec2> feasibleAreaPolygon_;
   std::vector<Rect> feasibleAreaFillRects_;
   std::vector<DebugMoveAreaInfo> moveAreaInfoList_;
   size_t highlightedMoveAreaIndex_ = kInvalidMoveAreaIndex;
+  Rect feasibleAreaOverlayBounds_;
+  Rect moveAreaOverlayBounds_;
+  bool feasibleAreaOverlayDirty_ = true;
+  bool moveAreaOverlayDirty_ = true;
 };
 
 } // namespace frostbite2D

Game/include/npc/NpcObject.h

@@ -42,6 +42,7 @@ public:
   }
 
   void Update(float deltaTime) override;
+  void Render() override;
 
 private:
   void EnsureInteractionHighlight();