Extract downloaded project reconcile helper

docs/modernization/debt.md

@@ -18,6 +18,13 @@ agent or engineer to remove them without reconstructing context from chat.
 
 ## Recent Reductions
 
+- 2026-06-15: `DEBT-0038` was narrowed again. The retained cloud downloaded-
+  project open, layer refresh, and action-history reset in
+  `execute_legacy_downloaded_project_open()` now route through a focused
+  helper in `src/legacy_document_open_services.cpp` instead of living inline
+  in the document-open bridge; the remaining cloud bridge debt stays
+  concentrated in retained prompt/progress lifetime, OpenGL context guarding,
+  and the still-retained transfer-thread execution model.
 - 2026-06-15: `DEBT-0038` was narrowed again. The retained cloud publish
   prompt setup in `show_cloud_publish_prompt()` now routes through a focused
   helper in `src/legacy_cloud_services.cpp` instead of living inline in the

docs/modernization/roadmap.md

@@ -104,6 +104,11 @@ Retained save-before-upload execution now also routes through
 directly, so the remaining cloud debt is further concentrated on
 prompt/progress lifetime, OpenGL context guarding, downloaded-project open,
 layer refresh, and action-history reset.
+Retained cloud downloaded-project open, layer refresh, and action-history
+reset in `execute_legacy_downloaded_project_open()` now also route through a
+focused helper in `src/legacy_document_open_services.*`, so the remaining
+cloud bridge debt is further concentrated on prompt/progress lifetime, OpenGL
+context guarding, and the still-retained transfer-thread execution model.
 Retained cloud downloaded-project post-open reconciliation now also routes
 through `src/legacy_document_open_services.*` instead of living inline in
 `src/legacy_cloud_services.cpp`, so the remaining cloud bridge debt is further

src/legacy_document_open_services.cpp

@@ -71,6 +71,13 @@ void open_legacy_project(App& app, const pp::app::DocumentOpenRoute& route)
     }
 }
 
+void reconcile_downloaded_project_open(App& app)
+{
+    for (auto& layer : app.canvas->m_canvas->m_layers)
+        app.layers->add_layer(layer->m_name.c_str(), false);
+    ActionManager::clear();
+}
+
 class LegacyDocumentOpenServices final : public pp::app::DocumentOpenServices {
 public:
     explicit LegacyDocumentOpenServices(App& app) noexcept
@@ -155,9 +162,7 @@ void execute_legacy_downloaded_project_open(
 
     app.doc_name = std::string(name);
     app.title_update();
-    for (auto& layer : app.canvas->m_canvas->m_layers)
-        app.layers->add_layer(layer->m_name.c_str(), false);
-    ActionManager::clear();
+    reconcile_downloaded_project_open(app);
 }
 
 } // namespace pp::panopainter