Route brush preset list planning

docs/modernization/roadmap.md

@@ -742,6 +742,13 @@ layer-refresh, and action-history work remains tracked under `DEBT-0038`.
 `pano_cli parse-layout` exercises the XML layout path. Continue expanding
 document behavior toward legacy Canvas parity and then port OpenGL classes
 behind the renderer boundary.
+Brush preset-list add/select/move/remove/clear decisions now consume
+`pp_app_core` through `NodePanelBrushPreset` and
+`pano_cli plan-brush-preset-list`, so preset UI callbacks share tested
+headless index/selection planning before mutating legacy child nodes. The
+remaining direct `NodePanelBrushPreset` child-node execution, legacy
+`Brush` cloning, and preset save/reload behavior stay tracked under
+`DEBT-0023`.
 `App::open_document` now routes through the app-core document-open executor and
 `src/legacy_document_open_services.*`, preserving ABR/PPBR import prompts,
 unsaved-project discard prompts, project open, layer refresh, title updates,
@@ -1422,6 +1429,11 @@ Results:
 - Focused brush import storage CTest coverage passed for
   `pp_assets_brush_package_tests` and the brush package import/export CLI
   smoke/failure tests.
+- `PanoPainter`, `pp_app_core_brush_ui_tests`, and `pano_cli` built after brush
+  preset-list add/select/move/remove/clear planning moved into `pp_app_core`.
+- Focused brush preset-list CTest coverage passed for
+  `pp_app_core_brush_ui_tests` and `pano_cli_plan_brush_preset_list_*` smoke
+  tests.
 - `pp_app_core_document_recording_tests` passed, covering recording start/stop,
   clear, platform recorded-file cleanup, frame-count reset, export progress
   totals, and oversized progress-total clamping.