Thin app dialog export and popup seams

docs/modernization/debt.md

@@ -792,26 +792,40 @@ agent or engineer to remove them without reconstructing context from chat.
   `bind_legacy_click_destroys_node(...)`; menu/layout-owned popup families still
   remain on separate retained cleanup paths.
 - 2026-06-17: `DEBT-0058`/`DEBT-0063` were narrowed again. The retained
-  usermanual, changelog, and about openers in `src/app_dialogs_info_openers.cpp`
-  now delegate retained dialog construction and overlay close wiring through
+  usermanual, changelog, about, What's New, and shortcuts openers in
+  `src/app_dialogs_info_openers.cpp` now delegate retained dialog construction,
+  overlay close wiring, and remote-page/button ownership through
   `src/legacy_info_dialog_services.*` with explicit `App&` plus overlay-anchor
   dependencies, so the app dialog shell no longer owns that info-dialog family
-  inline while `open_whatsnew_dialog()` still owns the retained whats-new flow
   inline.
 - 2026-06-17: `DEBT-0058`/`DEBT-0063` were narrowed again. The retained New
   Document and Save dialog openers in `src/app_dialogs_workflow.cpp` now
   delegate retained dialog construction and button wiring through
   `src/legacy_document_session_services.*` with explicit `App&` ownership, so
   the app dialog shell no longer owns that document-session dialog family
-  inline while browse, open, and resize flows still remain there.
+  inline.
+- 2026-06-17: `DEBT-0058`/`DEBT-0063` were narrowed again. The retained Open,
+  Browse, and Resize dialog openers in `src/app_dialogs_workflow.cpp` now
+  delegate retained dialog construction and overlay/button wiring through
+  `src/legacy_document_open_services.*` and
+  `src/legacy_document_session_services.*`, so the app dialog shell no longer
+  owns those workflow dialog families inline.
 - 2026-06-17: `DEBT-0035` was narrowed again. `App::title_update()` and the
-  draw-toolbar/stroke-popup binding families now delegate through
+  draw-toolbar/stroke-popup/grid-popup binding families now delegate through
   `src/legacy_app_status_services.*`,
   `src/legacy_draw_toolbar_binding_services.*`, and
-  `src/legacy_sidebar_stroke_popup_services.*`, so
+  `src/legacy_sidebar_stroke_popup_services.*`, and
+  `src/legacy_sidebar_grid_popup_services.*`, so
   `src/app_layout.cpp`, `src/app_layout_draw_toolbar.cpp`, and part of
   `src/app_layout_sidebar.cpp` are thinner adapters while retained app-shell
-  execution and remaining popup families still stay open under the same debt.
+  execution and the remaining layer popup family still stay open under the same
+  debt.
+- 2026-06-17: `DEBT-0030`/`DEBT-0043`/`DEBT-0044` were narrowed again.
+  `src/app_dialogs_export.cpp` is now a thin forwarding adapter. Retained
+  document export start/branching flows now live in
+  `src/legacy_document_export_services.*`, and the PPBR export dialog opener
+  now lives in `src/legacy_brush_package_export_services.*`; retained export
+  execution still remains behind those legacy bridges.
 - 2026-06-15: `DEBT-0036` was narrowed again. `NodeStrokePreview` now drops the
   retained pass-sequence, mix-execution, final-composite-request, background
   capture, and preview-copy wrapper structs/functions in favor of direct

docs/modernization/roadmap.md

@@ -93,12 +93,13 @@ Current conclusion:
   app shell is down to adapter calls even though runtime draw/event/sidebar
   execution still remains.
 - New-document/save dialog session wiring, app-title rendering, draw-toolbar
-  binding, sidebar stroke-popup binding, and usermanual/changelog/about opener
-  wiring now live in dedicated `legacy_*services.*` seams, so
-  `src/app_dialogs_workflow.cpp`, `src/app_layout.cpp`,
-  `src/app_layout_draw_toolbar.cpp`, `src/app_layout_sidebar.cpp`, and
-  `src/app_dialogs_info_openers.cpp` are thinner adapters even though broader
-  retained dialog/sidebar execution still remains.
+  binding, sidebar stroke/grid-popup binding, export-dialog start wiring, and
+  the full info-opener family now live in dedicated `legacy_*services.*` seams,
+  so `src/app_dialogs_workflow.cpp`, `src/app_dialogs_export.cpp`,
+  `src/app_layout.cpp`, `src/app_layout_draw_toolbar.cpp`,
+  `src/app_layout_sidebar.cpp`, and `src/app_dialogs_info_openers.cpp` are
+  thinner adapters even though broader retained dialog/sidebar execution still
+  remains.
 - Platform extraction improved substantially and the root app source group no
   longer compiles Web platform sources directly, but broader CMake and
   entrypoint cleanup are not complete.

docs/modernization/tasks.md

@@ -65,6 +65,12 @@ Key facts:
 - `App::dialog_browse()` no longer owns browse-dialog button wiring inline; the
   retained document-open bridge now owns that handoff in
   `src/legacy_document_open_services.*`.
+- `App::dialog_open()`, `App::dialog_browse()`, and `App::dialog_resize()` now
+  delegate retained dialog construction and overlay/button wiring through
+  `src/legacy_document_open_services.*` and
+  `src/legacy_document_session_services.*`, so
+  `src/app_dialogs_workflow.cpp` is thinner while the save-before-workflow
+  policy seam remains local.
 - `App::init_toolbar_main()` now delegates retained main-toolbar button wiring
   through `src/legacy_main_toolbar_binding_services.*`, so
   `src/app_layout_main_toolbar.cpp` is down to a thin root lookup and adapter
@@ -104,13 +110,13 @@ Key facts:
 - `App::dialog_usermanual()`, `App::dialog_changelog()`, and
   `App::dialog_about()` now delegate the retained info-dialog construction and
   overlay close wiring through `src/legacy_info_dialog_services.*` with
-  explicit `App&` plus overlay-anchor dependencies, so
-  `src/app_dialogs_info_openers.cpp` is thinner while `open_whatsnew_dialog()`
-  still owns the retained whats-new flow inline.
+  explicit `App&` plus overlay-anchor dependencies, and the remaining
+  What's New plus shortcuts flows now route through the same seam, so
+  `src/app_dialogs_info_openers.cpp` is down to thin forwarding only.
 - `App::dialog_newdoc()` and `App::dialog_save()` now delegate retained dialog
-  construction and button wiring through `src/legacy_document_session_services.*`,
-  so `src/app_dialogs_workflow.cpp` is thinner at the document-session seam
-  while browse, open, and resize retained workflows still remain there.
+  construction and button wiring through
+  `src/legacy_document_session_services.*`, so
+  `src/app_dialogs_workflow.cpp` is thinner at the document-session seam.
 - `App::title_update()` now delegates retained document-title and DPI-label
   rendering through `src/legacy_app_status_services.*`, so
   `src/app_layout.cpp` no longer owns that app-status family inline.
@@ -122,8 +128,16 @@ Key facts:
 - `App::init_sidebar()` now delegates the retained stroke-popup open/anchor/tick
   wiring through `src/legacy_sidebar_stroke_popup_services.*` with explicit
   `App&`, popup-root, trigger-button, and panel dependencies, so
-  `src/app_layout_sidebar.cpp` is thinner while the retained grid and layer
-  popup families still remain inline.
+  `src/app_layout_sidebar.cpp` is thinner while the retained layer popup family
+  still remains inline.
+- `App::init_sidebar()` now delegates the retained grid-popup
+  open/anchor/tick/close wiring through
+  `src/legacy_sidebar_grid_popup_services.*`, so the `btn-grids-panel` path in
+  `src/app_layout_sidebar.cpp` is down to a thin adapter.
+- `src/app_dialogs_export.cpp` is now a forwarding adapter; the retained
+  document export start/branching flows live in
+  `src/legacy_document_export_services.*`, and the PPBR dialog opener now lives
+  in `src/legacy_brush_package_export_services.*`.
 
 ## Parallel Assignment Rules