feat(gui): 迁移图形界面库从SDL3到IUP

- 移除SDL3依赖，引入IUP图形界面库
- 更新Makefile以支持IUP编译配置
- 重构GUI模块，移除SDL相关代码
- 更新全局变量和类型定义，移除SDL依赖
- 添加IUP头文件到项目库目录
- 删除手动帧率控制(SDL_Delay)，依赖IUP事件循环
- 更新编译脚本和文档说明

libs/iup-3.31_Win64_dllw6_lib/include/iup_varg.h

@@ -0,0 +1,52 @@
+/** \file
+* \brief IUP API with explicit variable argument parameters.
+*
+* See Copyright Notice in "iup.h"
+*/
+
+#ifndef __IUP_VARG_H 
+#define __IUP_VARG_H
+
+#include <stdarg.h>
+#include "iup.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+IUP_API void      IupLogV(const char* type, const char* format, va_list arglist);
+
+IUP_API Ihandle*  IupSetAttV(const char* handle_name, Ihandle* ih, const char* name, va_list arglist);
+
+IUP_API void      IupSetStrfV(Ihandle* ih, const char* name, const char* format, va_list arglist);
+IUP_API void      IupSetStrfIdV(Ihandle* ih, const char* name, int id, const char* format, va_list arglist);
+IUP_API void      IupSetStrfId2V(Ihandle* ih, const char* name, int lin, int col, const char* format, va_list arglist);
+
+IUP_API Ihandle*  IupSetCallbacksV(Ihandle* ih, const char *name, Icallback func, va_list arglist);
+
+IUP_API Ihandle*  IupCreateV(const char *classname, void* first, va_list arglist);
+IUP_API Ihandle*  IupVboxV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupZboxV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupHboxV(Ihandle* child,va_list arglist);
+IUP_API Ihandle*  IupNormalizerV(Ihandle* ih_first, va_list arglist);
+IUP_API Ihandle*  IupCboxV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupGridBoxV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupMultiBoxV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupMenuV(Ihandle* child,va_list arglist);
+IUP_API Ihandle*  IupTabsV(Ihandle* child, va_list arglist);
+IUP_API Ihandle*  IupFlatTabsV(Ihandle* child, va_list arglist);
+
+IUP_API void      IupMessageV(const char *title, const char *format, va_list arglist);
+IUP_API Ihandle*  IupParamBoxV(Ihandle* param, va_list arglist);
+IUP_API int       IupGetParamV(const char* title, Iparamcb action, void* user_data, const char* format, va_list arglist);
+
+/* must include iupglcontrols before this file to enable this declaration */
+#ifdef __IUPGLCONTROLS_H  
+#ifndef IUP_GLCONTROLS_API
+#define IUP_GLCONTROLS_API
+#endif
+IUP_GLCONTROLS_API Ihandle*  IupGLCanvasBoxV(Ihandle* child, va_list arglist);
+#endif
+
+
+#endif