fix: 修复PR#5 review意见

- CMakeLists.txt: 启用RC语言, 移除冗余_WIN32, 添加DLL复制
- CLAUDE.md: 更新构建命令为CMake
- README.md: 移除硬编码MinGW路径和Makefile引用

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.15)
-project(PathEditor LANGUAGES C)
+project(PathEditor LANGUAGES C RC)
 
 set(IUP_DIR "${CMAKE_SOURCE_DIR}/libs/iup-3.31_Win64_dllw6_lib")
 
@@ -22,7 +22,7 @@ target_link_libraries(PathEditor
     iup iupcd gdi32 comdlg32 comctl32 uuid ole32 advapi32
 )
 
-target_compile_definitions(PathEditor PRIVATE _WIN32 UNICODE _UNICODE)
+target_compile_definitions(PathEditor PRIVATE UNICODE _UNICODE)
 
 target_compile_options(PathEditor PRIVATE -Wall -O2 -fexec-charset=UTF-8)
 
@@ -31,3 +31,24 @@ target_link_options(PathEditor PRIVATE -mwindows)
 set_target_properties(PathEditor PROPERTIES
     RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin"
 )
+
+add_custom_command(TARGET PathEditor POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        "${IUP_DIR}/iup.dll"
+        "${IUP_DIR}/iupcd.dll"
+        "${IUP_DIR}/freetype6.dll"
+        "${IUP_DIR}/ftgl.dll"
+        "${IUP_DIR}/zlib1.dll"
+        "${IUP_DIR}/iupcontrols.dll"
+        "${IUP_DIR}/iupim.dll"
+        "${IUP_DIR}/iupimglib.dll"
+        "${IUP_DIR}/iup_mglplot.dll"
+        "${IUP_DIR}/iup_plot.dll"
+        "${IUP_DIR}/iup_scintilla.dll"
+        "${IUP_DIR}/iupgl.dll"
+        "${IUP_DIR}/iupglcontrols.dll"
+        "${IUP_DIR}/iupole.dll"
+        "${IUP_DIR}/iuptuio.dll"
+        "${CMAKE_SOURCE_DIR}/bin/"
+    COMMENT "Copying IUP runtime DLLs to bin/"
+)