Extract document-open import prompt helper

docs/modernization/debt.md

@@ -18,6 +18,12 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Recent Reductions
 
+- 2026-06-15: `DEBT-0039` was narrowed again. The retained ABR/PPBR import
+  prompt wiring in `src/legacy_document_open_services.cpp` now routes through
+  a focused helper instead of living inline in each document-open import
+  prompt; the remaining document-open bridge debt stays concentrated in
+  unsaved-project prompts, project-open execution, layer refresh, title
+  updates, and retained history services.
 - 2026-06-15: `DEBT-0038` was narrowed again. The retained cloud downloaded-
   project open camera reset and layer-clear setup in
   `execute_legacy_downloaded_project_open()` now routes through a focused

docs/modernization/roadmap.md

@@ -1387,6 +1387,10 @@ the app-core brush package import executor and
 `src/legacy_brush_package_import_services.*`, preserving detached legacy preset
 panel import threads while retained brush asset execution remains tracked under
 `DEBT-0048`.
+The retained ABR/PPBR import prompt wiring in `src/legacy_document_open_services.*`
+now also routes through a focused helper, so the remaining document-open bridge
+debt is further concentrated on unsaved-project prompts, project-open
+execution, layer refresh, title updates, and retained history services.
 `App::request_close`, `App::save_document`, and
 `App::continue_document_workflow_after_optional_save` now route through
 app-core document-session executors and `src/legacy_document_session_services.*`,

src/legacy_document_open_services.cpp

@@ -86,6 +86,22 @@ void prepare_downloaded_project_open(App& app)
     app.layers->clear();
 }
 
+void prompt_import_brush_package(
+    App& app,
+    const char* title,
+    const char* log_prefix,
+    pp::app::BrushPackageImportKind kind,
+    const pp::app::DocumentOpenRoute& route)
+{
+    auto mb = app.message_box(title, "Would you like to import the brushes?", true);
+    mb->on_submit = [&app, path = route.path, kind, log_prefix](Node* target) {
+        const auto status = pp::panopainter::execute_legacy_brush_package_import(app, kind, path);
+        if (!status.ok())
+            LOG("%s import failed: %s", log_prefix, status.message);
+        pp::panopainter::close_legacy_dialog_node(*target);
+    };
+}
+
 class LegacyDocumentOpenServices final : public pp::app::DocumentOpenServices {
 public:
     explicit LegacyDocumentOpenServices(App& app) noexcept
@@ -95,32 +111,22 @@ public:
 
     void prompt_import_abr(const pp::app::DocumentOpenRoute& route) override
     {
-        auto* app = &app_;
+        prompt_import_brush_package(
-        auto mb = app_.message_box("Import ABR", "Would you like to import the brushes?", true);
+            app_,
-        mb->on_submit = [app, path = route.path](Node* target) {
+            "Import ABR",
-            const auto status = pp::panopainter::execute_legacy_brush_package_import(
+            "ABR",
-                *app,
             pp::app::BrushPackageImportKind::abr,
-                path);
+            route);
-            if (!status.ok())
-                LOG("ABR import failed: %s", status.message);
-            pp::panopainter::close_legacy_dialog_node(*target);
-        };
     }
 
     void prompt_import_ppbr(const pp::app::DocumentOpenRoute& route) override
     {
-        auto* app = &app_;
+        prompt_import_brush_package(
-        auto mb = app_.message_box("Import PPBR", "Would you like to import the brushes?", true);
+            app_,
-        mb->on_submit = [app, path = route.path](Node* target) {
+            "Import PPBR",
-            const auto status = pp::panopainter::execute_legacy_brush_package_import(
+            "PPBR",
-                *app,
             pp::app::BrushPackageImportKind::ppbr,
-                path);
+            route);
-            if (!status.ok())
-                LOG("PPBR import failed: %s", status.message);
-            pp::panopainter::close_legacy_dialog_node(*target);
-        };
     }
 
     void open_project_now(const pp::app::DocumentOpenRoute& route) override