重构显示逻辑为 MVP 架构，进行显示模块的解耦

CMakeLists.txt

@@ -26,20 +26,28 @@ endif()
 # 主可执行程序 DTU-HMI 及其源码列表
 add_executable(DTU-HMI
     src/main.c
+    src/common/utf8.c
     src/thread_utils.c
     src/remoteDisplay.c
-    src/Drv/menu.c
+    src/Drv/menu/app/menu.c
+    src/Drv/menu/model/display.c
+    src/Drv/menu/model/menu_model.c
+    src/Drv/menu/view/menu_view.c
+    src/Drv/menu/presenter/menu_presenter.c
+    src/Drv/menu/model/menu_tree_builder.c
+    src/Drv/menu/view/menu_layout.c
+    src/Drv/menu/presenter/menu_navigator.c
+    src/Drv/menu/view/menu_renderer_lcd.c
     src/Drv/lcd/lcd.c
     src/Drv/lcd/lcd_draw.c
     src/Drv/lcd/lcd_text.c
     src/Drv/key.c
     src/Drv/lcd/ascii.c
-    src/Drv/display.c
     src/TCP/tcp.c
 )
 
 # 可执行程序头文件搜索路径
-target_include_directories(DTU-HMI PRIVATE include src src/TCP)
+target_include_directories(DTU-HMI PRIVATE include src src/TCP src/Drv/lcd src/common)
 
 # 按平台链接系统库：
 # - Windows 需要 Winsock2（ws2_32）