fix: 修复InputManager中文注释警告和完善Update逻辑

- InputManager.h: 移除中文注释修复C4819警告
- InputManager.h: 添加缺失的vector和unordered_map头文件
- InputManager.cpp: Update()现正确清除m_keyDownThisFrame状态
- InputManager.cpp: ProcessKeyDown/Up添加修饰键参数
- WindowsInputModule: 传递alt/ctrl/shift修饰键状态

engine/include/XCEngine/Input/InputManager.h

@@ -4,6 +4,8 @@
 #include "InputEvent.h"
 #include "InputAxis.h"
 #include "Math/Vector2.h"
+#include <vector>
+#include <unordered_map>
 
 namespace XCEngine {
 namespace Input {
@@ -16,8 +18,6 @@ public:
     void Shutdown();
     void Update(float deltaTime);
 
-    // ============ 轮询接口 ============
-    
     bool IsKeyDown(KeyCode key) const;
     bool IsKeyUp(KeyCode key) const;
     bool IsKeyPressed(KeyCode key) const;
@@ -32,8 +32,6 @@ public:
     int GetTouchCount() const;
     TouchState GetTouch(int index) const;
 
-    // ============ 轴接口 (参考 Unity) ============
-    
     float GetAxis(const Containers::String& axisName) const;
     float GetAxisRaw(const Containers::String& axisName) const;
     
@@ -45,18 +43,14 @@ public:
     void RegisterButton(const Containers::String& name, KeyCode key);
     void ClearAxes();
 
-    // ============ 事件接口 ============
-    
     Core::Event<const KeyEvent&>& OnKeyEvent() { return m_onKeyEvent; }
     Core::Event<const MouseButtonEvent&>& OnMouseButton() { return m_onMouseButton; }
     Core::Event<const MouseMoveEvent&>& OnMouseMove() { return m_onMouseMove; }
     Core::Event<const MouseWheelEvent&>& OnMouseWheel() { return m_onMouseWheel; }
     Core::Event<const TextInputEvent&>& OnTextInput() { return m_onTextInput; }
     
-    // ============ 内部方法（供 PlatformInputModule 调用） ============
-    
-    void ProcessKeyDown(KeyCode key, bool repeat);
-    void ProcessKeyUp(KeyCode key);
+    void ProcessKeyDown(KeyCode key, bool repeat, bool alt, bool ctrl, bool shift, bool meta);
+    void ProcessKeyUp(KeyCode key, bool alt, bool ctrl, bool shift, bool meta);
     void ProcessMouseMove(int x, int y, int deltaX, int deltaY);
     void ProcessMouseButton(MouseButton button, bool pressed, int x, int y);
     void ProcessMouseWheel(float delta, int x, int y);