Centralize retained popup menu closing

docs/modernization/debt.md

@@ -547,6 +547,9 @@ agent or engineer to remove them without reconstructing context from chat.
 - 2026-06-12: DEBT-0063 was narrowed again. Floating-panel close and drag-outline
   cleanup now use the retained close helper in `src/legacy_ui_overlay_services.*`;
   drag placeholder reparenting and dock/drop mutation remain legacy-owned.
+- 2026-06-12: DEBT-0063 was narrowed again. `NodePopupMenu` mouse-up release and
+  destroy now route through the retained popup close helper in
+  `src/legacy_ui_overlay_services.*`.
 - 2026-06-05: DEBT-0011 was narrowed. The Windows app package smoke target now
   passes the configure-time CMake executable into `package-smoke.ps1`, so VS
   2026 generator validation does not depend on an older `cmake` on PATH, and

docs/modernization/roadmap.md

@@ -517,6 +517,7 @@ App message-dialog cancel-button removal, layer-rename finish cleanup, and
 recording export progress cleanup also route through those helpers.
 Floating-panel close and drag-outline cleanup now use the same retained close
 helper while drag reparenting remains legacy-owned.
+`NodePopupMenu` mouse-up close/release now uses the retained popup close helper.
 Raw popup callback captures and full close/capture ownership remain part of
 `DEBT-0063`.
 `pano_cli inspect-image` exposes PNG IHDR metadata as JSON,

src/node_popup_menu.cpp

@@ -1,5 +1,6 @@
 #include "pch.h"
 #include "log.h"
+#include "legacy_ui_overlay_services.h"
 #include "node_popup_menu.h"
 #include "node_button_custom.h"
 #include "app.h"
@@ -27,11 +28,7 @@ kEventResult NodePopupMenu::handle_event(Event* e)
     case kEventType::MouseDownL:
         break;
     case kEventType::MouseUpL:
-        if (!m_mouse_inside)
-        {
-            mouse_release();
-        }
-        else
+        if (m_mouse_inside)
         {
             for (int i = 0; i < m_children.size(); i++)
             {
@@ -42,9 +39,8 @@ kEventResult NodePopupMenu::handle_event(Event* e)
                     break;
                 }
             }
-            mouse_release();
         }
-        destroy();
+        pp::panopainter::close_legacy_popup_overlay(*this);
         break;
     default:
         return kEventResult::Available;