diff -r 512fad602f97 -r e097bc7cfec6 ui/qt/toolkit.cpp
--- a/ui/qt/toolkit.cpp	Sun Feb 08 15:19:40 2026 +0100
+++ b/ui/qt/toolkit.cpp	Thu Feb 12 15:44:46 2026 +0100
@@ -83,6 +83,14 @@
     }
 }
 
+void ui_app_ref(void) {
+    // TODO
+}
+
+void ui_app_unref(void) {
+    // TODO
+}
+
 void ui_show(UiObject *obj) {
     obj->widget->show();
 }