ci: build Windows release package

CMakeLists.txt

@@ -8,11 +8,6 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC OFF)
 
-# 本项目目标为 Linux 本地构建。Windows 工具链文件仅作为历史参考，不参与构建。
-if (WIN32)
-    message(FATAL_ERROR "chengnan 当前按 README 要求只支持 Linux 构建，请不要使用 Windows 编译工具链。")
-endif()
-
 find_package(Qt6 QUIET COMPONENTS Widgets Concurrent)
 if (NOT Qt6_FOUND)
     find_package(Qt5 REQUIRED COMPONENTS Widgets Concurrent)
@@ -53,6 +48,10 @@ target_compile_definitions(chengnan PRIVATE
     CHENGNAN_APP_VERSION="${PROJECT_VERSION}"
 )
 
-target_compile_options(chengnan PRIVATE -Wall -Wextra -Wpedantic)
+if (MSVC)
+    target_compile_options(chengnan PRIVATE /W4 /permissive-)
+else()
+    target_compile_options(chengnan PRIVATE -Wall -Wextra -Wpedantic)
+endif()
 
 install(TARGETS chengnan RUNTIME DESTINATION bin)