refactor(editor): isolate engine service boundaries

editor/app/Features/Game/GameViewportFeature.cpp

@@ -0,0 +1,28 @@
+#include "Game/GameViewportFeature.h"
+
+namespace XCEngine::UI::Editor::App {
+
+void GameViewportFeature::Shutdown() {
+    m_controller.SetCommandFocusService(nullptr);
+}
+
+void GameViewportFeature::ResetInteractionState() {
+    m_controller.ResetInteractionState();
+}
+
+void GameViewportFeature::SetCommandFocusService(
+    EditorCommandFocusService* commandFocusService) {
+    m_controller.SetCommandFocusService(commandFocusService);
+}
+
+void GameViewportFeature::Update(
+    const UIEditorWorkspaceComposeState& composeState,
+    const UIEditorWorkspaceComposeFrame& composeFrame) {
+    m_controller.Update(composeState, composeFrame);
+}
+
+void GameViewportFeature::Append(::XCEngine::UI::UIDrawList& drawList) const {
+    m_controller.Append(drawList);
+}
+
+} // namespace XCEngine::UI::Editor::App