added some kbm stuff

4J_Input/Windows64/INP_Keyboard.h

@@ -84,6 +84,12 @@ public:
 	int GetCharCount() const { return m_charCount; }
 	wchar_t GetChar(int index) const { return (index >= 0 && index < m_charCount) ? m_charBuffer[index] : 0; }
 
+	// System clipboard (UTF-16). Get returns chars copied excluding the
+	// terminator, 0 when unavailable. All input routing stays in the lib
+	// so future per-device (splitscreen KBM) plumbing has one place to land.
+	int GetClipboardText(wchar_t *outText, int outCapacity) const;
+	bool SetClipboardText(const wchar_t *text) const;
+
 	void SetMouseCaptured(bool captured);
 	void SetWindowFocused(bool focused);
 	bool IsMouseCaptured() const { return m_mouseCaptured; }