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

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
@@ -206,4 +211,4 @@ if (asset.readTextFile("file.txt", content)) {
 - **Path separators**: Use Asset class, it handles platform differences
 - **Encoding**: Project uses UTF-8, Asset handles Windows UTF-8 paths
 - **Memory leaks**: Use smart pointers, ensure proper cleanup in destructors
-- **OpenGL context**: Initialize only after window creation
+- **OpenGL context**: Initialize only after window creation