Centralize service adapter dialog closing

docs/modernization/debt.md

@@ -580,6 +580,10 @@ agent or engineer to remove them without reconstructing context from chat.
   color-wheel, color-quad, and canvas gesture-end capture release now route
   through `src/legacy_ui_overlay_services.*`. The controls still own raw event
   callback targets and public `Node` capture state.
+- 2026-06-12: DEBT-0063/DEBT-0058 were narrowed again. Legacy document-open
+  import/discard prompts and brush-package export completion now route retained
+  dialog closing through `src/legacy_ui_overlay_services.*` instead of direct
+  `destroy()` calls from service adapters.
 - 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

@@ -533,6 +533,8 @@ Canvas mode mouse-capture release for camera, paint, line, grid, mask, and fill
 interactions now routes through the retained capture-release helper.
 Button, slider, scroll, color-wheel, color-quad, and canvas gesture-end capture
 release now route through that same helper.
+Legacy document-open import/discard prompts and brush-package export completion
+now route retained dialog closing through the same 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,