Centralize floating panel restore teardown

docs/modernization/debt.md

@@ -566,6 +566,11 @@ agent or engineer to remove them without reconstructing context from chat.
   through retained close/destroy helpers in `src/legacy_ui_overlay_services.*`.
   The long-running canvas workflows still depend on legacy `App::I` UI tasking
   and raw progress-bar pointers.
+- 2026-06-12: DEBT-0063 was narrowed again. Toolbar popup restoration from
+  docked floating stroke/layer/grid panels and restored floating color-panel
+  title cleanup now use retained detach/close/destroy helpers in
+  `src/legacy_ui_overlay_services.*`. Dock/drop child ownership and raw panel
+  globals remain legacy-owned.
 - 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

@@ -526,6 +526,9 @@ brush-preset item removal, and retained popup-panel parent detach now use named
 retained node helpers; dock/drop reparenting remains legacy-owned.
 Canvas export/project progress-bar cleanup and remote-page loading placeholder
 cleanup now route through those same retained close/destroy helpers.
+Toolbar popup restoration from docked floating stroke/layer/grid panels and
+restored floating color-panel title cleanup now use the retained detach/close/
+destroy helpers.
 Raw popup callback captures and full close/capture ownership remain part of
 `DEBT-0063`.
 `pano_cli inspect-image` exposes PNG IHDR metadata as JSON,