Initial commit: MouseHighlighter project

A lightweight Windows mouse highlight overlay tool with halo circle
and click ripple animations, built with C++17 and Win32 API.

CMakeLists.txt

@@ -0,0 +1,80 @@
+cmake_minimum_required(VERSION 3.15)
+project(MouseHighlighter CXX)
+
+# ============================================================
+# 设置 C++ 标准
+# ============================================================
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Zi /W4 /MTd")
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /O2 /W4 /MT")
+
+# ============================================================
+# 源文件
+# ============================================================
+set(SOURCES
+    src/main.cpp
+    src/MouseHighlighter.cpp
+    src/Config.cpp
+)
+
+set(HEADERS
+    include/MouseHighlighter.h
+    include/SharedState.h
+    include/DataStructures.h
+    include/Config.h
+)
+
+# ============================================================
+# 可执行文件
+# ============================================================
+add_executable(MouseHighlighter WIN32 ${SOURCES} ${HEADERS})
+
+# ============================================================
+# 包含目录
+# ============================================================
+target_include_directories(MouseHighlighter PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+)
+
+# ============================================================
+# 链接库
+# ============================================================
+target_link_libraries(MouseHighlighter
+    user32
+    gdi32
+    kernel32
+    shell32
+    dwmapi
+    psapi
+)
+
+target_compile_definitions(MouseHighlighter PRIVATE UNICODE _UNICODE)
+
+# ============================================================
+# 编译选项
+# ============================================================
+if(MSVC)
+    # Visual Studio 编译选项
+    target_compile_options(MouseHighlighter PRIVATE
+        /Zc:inline          # 移除不使用的代码
+        /Zc:wchar_t         # wchar_t 是内置类型
+        /Zc:forScope        # for 循环作用域
+        /Zc:throwingNew     # 抛出异常的 new
+        /Zc:referenceBinding # const 引用绑定
+    )
+endif()
+
+# ============================================================
+# 运行时
+# ============================================================
+if(MSVC)
+    set_property(TARGET MouseHighlighter PROPERTY MSVC_RUNTIME_LIBRARY MultiThreaded$<$<CONFIG:Debug>:Debug>)
+endif()
+
+# ============================================================
+# 优化选项 (Release 模式)
+# ============================================================
+if(CMAKE_BUILD_TYPE MATCHES Release)
+    target_compile_options(MouseHighlighter PRIVATE /Ox)
+endif()