Centralize retained dialog cancel bindings

docs/modernization/debt.md

@@ -521,6 +521,10 @@ agent or engineer to remove them without reconstructing context from chat.
   submit/cancel and input-box cancel destroy callbacks now use retained close
   helpers from `src/legacy_ui_overlay_services.*`. Dialog lifetime still uses
   raw `Node` callbacks until checked handles and scoped connections land.
+- 2026-06-12: DEBT-0063/DEBT-0058 were narrowed again. Document open/save/new/
+  browse/resize, layer-rename, cloud-browse, and PPBR export dialog cancel
+  buttons now bind retained destroy-on-click behavior through
+  `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

@@ -500,6 +500,8 @@ About, changelog, settings, and user-manual close buttons now share retained
 destroy-on-click binding through the same overlay service.
 Message-box submit/cancel and input-box cancel destroy callbacks now use the
 same retained close binding helpers.
+Document open/save/new/browse/resize, layer-rename, cloud-browse, and PPBR
+export dialog cancel buttons now use those same retained close 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,