Add quick panel service boundary

docs/modernization/roadmap.md

@@ -551,8 +551,9 @@ through a legacy adapter before legacy dialogs, history/canvas adapters, and
 settings UI execution continue.
 `pano_cli plan-quick-operation` exposes app-core planning for quick brush/color
 slot selection versus popup opening, plus quick mini-state restore/reset
-validation used by the live quick panel before legacy `Brush`, color picker,
-stroke preview, and preset popup execution continue.
+validation used by the live quick panel. Quick-panel execution now dispatches
+through `QuickUiServices` before the legacy `Brush`, color picker, stroke
+preview, and preset popup adapter continues.
 `pano_cli plan-tools-menu` and `pano_cli plan-tools-panel` expose app-core
 planning for top-level Tools commands and floating-panel requests, including
 already-visible no-ops, panel chrome metadata, shortcuts, camera reset,
@@ -1285,7 +1286,8 @@ Results:
   toolbar/canvas history planning as JSON automation.
 - `pp_app_core_quick_ui_tests` passed, covering quick brush/color slot
   selection, active-slot popup decisions, invalid slot rejection, restore-state
-  validation, and reset-state validation.
+  validation, reset-state validation, service dispatch order, explicit
+  brush/color restore indices, and malformed execution payload rejection.
 - `pano_cli_plan_quick_operation_select_brush_smoke`,
   `pano_cli_plan_quick_operation_open_color_smoke`,
   `pano_cli_plan_quick_operation_restore_smoke`,