Feature: Add cursor position and type detection for macOS client

macos/ScreenHandler.h

@@ -93,6 +93,12 @@ private:
     // Get current time in milliseconds
     static uint64_t getTickMs();
 
+    // Get current cursor position (in physical pixels)
+    void getCursorPosition(int32_t& x, int32_t& y);
+
+    // Get current cursor type index (matches Windows cursor indices)
+    uint8_t getCursorTypeIndex();
+
 private:
     IOCPClient* m_client;
     uint64_t m_clientID;