Port 2V0-f window input and UI render command bridge

extension/src/platform/ScriptLib/PythonBoot.h

@@ -36,6 +36,15 @@ bool RunMainScript(const char* lpCmdLine, std::string* error);
 // no 40250 packs, which is where RunMainScript cannot run at all.
 bool RunLine(const char* source, std::string* error);
 
+// Forward physical Godot input to the original 40250 window manager. Coordinates
+// are viewport pixels; SetUISize also establishes its logical resolution.
+void SetUISize(int width, int height);
+void UIMouseMove(int x, int y);
+void UIMouseButton(int button, bool pressed, int x, int y);
+void UIKey(int key, bool pressed);
+void UIUpdate();
+void UIRender();
+
 // 40250 Main() calls Clear() and lets the launcher leave scope.
 void Stop();
 }