refactor(new_editor): tighten app dependency boundaries

new_editor/app/Composition/EditorShellRuntime.h

@@ -12,6 +12,7 @@
 #include "Composition/WorkspaceEventSync.h"
 
 #include <XCEditor/Shell/UIEditorShellInteraction.h>
+#include <XCEditor/Foundation/UIEditorTextMeasurement.h>
 #include <XCEditor/Workspace/UIEditorWorkspaceLayoutPersistence.h>
 #include <XCEditor/Workspace/UIEditorWorkspaceSplitterDragCorrection.h>
 
@@ -29,8 +30,8 @@ class EditorContext;
 
 namespace XCEngine::UI::Editor::Host {
 
-class D3D12WindowRenderer;
-class NativeRenderer;
+class TextureHost;
+class ViewportRenderHost;
 
 } // namespace XCEngine::UI::Editor::Host
 
@@ -46,10 +47,11 @@ class EditorShellRuntime {
 public:
     void Initialize(
         const std::filesystem::path& repoRoot,
-        Host::NativeRenderer& renderer);
+        Host::TextureHost& textureHost,
+        UIEditorTextMeasurer& textMeasurer);
     void Shutdown();
     void ResetInteractionState();
-    void AttachViewportWindowRenderer(Host::D3D12WindowRenderer& renderer);
+    void AttachViewportWindowRenderer(Host::ViewportRenderHost& renderer);
     void DetachViewportWindowRenderer();
     void SetViewportSurfacePresentationEnabled(bool enabled);
 
@@ -87,7 +89,7 @@ public:
 private:
     ViewportHostService m_viewportHostService = {};
     BuiltInIcons m_builtInIcons = {};
-    Host::NativeRenderer* m_nativeRenderer = nullptr;
+    Host::TextureHost* m_textureHost = nullptr;
     ConsolePanel m_consolePanel = {};
     HierarchyPanel m_hierarchyPanel = {};
     InspectorPanel m_inspectorPanel = {};