Extract app frame and ui state services

docs/modernization/debt.md

@@ -25,6 +25,24 @@ agent or engineer to remove them without reconstructing context from chat.
   owns that document-open handoff inline while retained dialog creation,
   unsaved-project prompting, project-open execution, and title/layer refresh
   still remain.
+- 2026-06-17: `DEBT-0003` was narrowed again. `App::update()` in
+  `src/legacy_app_runtime_shell_services.cpp` no longer owns retained
+  app-frame layout-update and canvas-toolbar refresh execution inline;
+  `src/legacy_app_frame_services.*` now owns that frame-update execution
+  behind an explicit `App&` plus `AppFrameUpdatePlan` seam, while draw-time
+  execution, UI observer walking, and broader app-frame ownership still
+  remain.
+- 2026-06-17: `DEBT-0003` was narrowed again. `App::tick()` and
+  `App::resize()` in `src/app_events.cpp` no longer own retained app-frame
+  tick and surface-resize execution inline; `src/legacy_app_frame_services.*`
+  now owns the tick/resize execution against explicit `App&` plus frame plans,
+  while broader event dispatch and runtime/platform frame ownership still
+  remain.
+- 2026-06-17: `DEBT-0045` was narrowed again.
+  `src/app_layout_ui_state.cpp` no longer owns retained floating/docked panel
+  save/restore serialization inline; that panel-persistence family now lives in
+  `src/legacy_app_ui_state_services.*`, while RTL direction execution and
+  broader preference/runtime ownership still remain.
 - 2026-06-17: `DEBT-0035` was narrowed again.
   `src/app_layout_main_toolbar.cpp` no longer owns the retained main-toolbar
   button wiring inline; `src/legacy_main_toolbar_binding_services.*` now owns
@@ -48,6 +66,12 @@ agent or engineer to remove them without reconstructing context from chat.
   submenu popup flow or panel-item wiring inline; that binding now lives in
   `src/legacy_tools_menu_binding_services.*`, while retained Tools command
   execution and options-menu preference wiring still remain in the app shell.
+- 2026-06-17: `DEBT-0063` was narrowed again.
+  `src/app_layout_sidebar.cpp` no longer owns the retained color-popup open /
+  close wiring inline; that binding now lives in
+  `src/legacy_sidebar_color_popup_services.*` with explicit `App&`,
+  popup-root, trigger-button, and panel dependencies, while retained
+  stroke/grid/layer popup families still remain on the sidebar shell.
 - 2026-06-17: `DEBT-0038` was narrowed again. The retained cloud upload and
   download background execution in `src/legacy_cloud_services.cpp` now routes
   through `AppRuntime::canvas_async_task` instead of a file-static worker

docs/modernization/roadmap.md

@@ -87,6 +87,11 @@ Current conclusion:
   lives in dedicated `legacy_*_binding_services.*` helpers, so the
   corresponding `app_layout_*` files are thinner adapters even though retained
   execution still lives in the app shell.
+- App-frame update, tick, and resize execution now route through
+  `src/legacy_app_frame_services.*`, and floating/docked panel persistence now
+  routes through `src/legacy_app_ui_state_services.*`, so more of the retained
+  app shell is down to adapter calls even though runtime draw/event/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

@@ -84,6 +84,23 @@ Key facts:
   wiring through `src/legacy_tools_menu_binding_services.*`, so
   `src/app_layout_tools_menu.cpp` no longer owns that floating-panel submenu
   body inline while retained Tools execution and options wiring remain.
+- `App::update()` now delegates retained app-frame layout update and
+  canvas-toolbar refresh execution through `src/legacy_app_frame_services.*`,
+  so `src/legacy_app_runtime_shell_services.cpp` is thinner at the frame
+  update seam while draw-time execution still remains there.
+- `App::tick()` and `App::resize()` now delegate retained app-frame tick and
+  surface-resize execution through `src/legacy_app_frame_services.*`, so
+  `src/app_events.cpp` is thinner at the frame-execution seam while broader
+  input/platform dispatch still remains there.
+- `App::ui_save()` and `App::ui_restore()` now delegate retained floating and
+  docked panel persistence through `src/legacy_app_ui_state_services.*`, so
+  `src/app_layout_ui_state.cpp` is down to thin preference adapters while RTL
+  direction execution stays local.
+- `App::init_sidebar()` now delegates the retained color-popup open/close
+  wiring through `src/legacy_sidebar_color_popup_services.*` with explicit
+  `App&`, popup-root, trigger-button, and panel dependencies, so
+  `src/app_layout_sidebar.cpp` is thinner while the retained stroke/grid/layer
+  popup families still remain inline.
 
 ## Parallel Assignment Rules