feat: 添加.editorconfig文件并调整调试模式设置

添加.editorconfig文件以统一代码风格配置
将GameMap.h中的debugMode_设为true并禁用movableAreaCheckEnabled_以方便调试
更新AGENTS.md文档，添加代理偏好设置说明

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{c,cc,cpp,cxx,h,hh,hpp,hxx,ipp,ixx,lua}]
+indent_style = space
+indent_size = 2

AGENTS.md

@@ -2,6 +2,11 @@
 
 This guide helps agentic coding agents work effectively with the Frostbite2D 2D game engine codebase.
 
+## Agent Preferences
+
+- Communicate with the user in Chinese by default unless they explicitly ask for another language.
+- Treat UTF-8 as the default encoding for new or edited text and source files; do not introduce ANSI or GBK encoded files.
+
 ## Build Commands
 
 ### Basic Build

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_ = false;
+  bool debugMode_ = true;
   /// 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_ = true;
+  bool movableAreaCheckEnabled_ = false;
   /// 当前地图正在播放的背景音乐。
   Ptr<Music> currentMusic_;
 };