refactor(new_editor/app): reorganize host structure and add smoke test

new_editor/app/Bootstrap/ApplicationLifecycle.cpp

@@ -0,0 +1,58 @@
+#include "Bootstrap/Application.h"
+
+#include "State/EditorContext.h"
+#include "Platform/Win32/EditorWindow.h"
+#include "Platform/Win32/EditorWindowManager.h"
+
+namespace XCEngine::UI::Editor {
+
+Application::Application()
+    : m_editorContext(std::make_unique<App::EditorContext>()) {}
+
+Application::~Application() = default;
+
+App::EditorContext& Application::GetEditorContext() {
+    return *m_editorContext;
+}
+
+const App::EditorContext& Application::GetEditorContext() const {
+    return *m_editorContext;
+}
+
+bool Application::IsGlobalTabDragActive() const {
+    return m_windowManager != nullptr && m_windowManager->IsGlobalTabDragActive();
+}
+
+bool Application::OwnsActiveGlobalTabDrag(std::string_view windowId) const {
+    return m_windowManager != nullptr &&
+        m_windowManager->OwnsActiveGlobalTabDrag(windowId);
+}
+
+void Application::EndGlobalTabDragSession() {
+    if (m_windowManager != nullptr) {
+        m_windowManager->EndGlobalTabDragSession();
+    }
+}
+
+void Application::HandleDestroyedWindow(HWND hwnd) {
+    if (m_windowManager != nullptr) {
+        m_windowManager->HandleDestroyedWindow(hwnd);
+    }
+}
+
+bool Application::HandleGlobalTabDragPointerMove(HWND hwnd) {
+    return m_windowManager != nullptr &&
+        m_windowManager->HandleGlobalTabDragPointerMove(hwnd);
+}
+
+bool Application::HandleGlobalTabDragPointerButtonUp(HWND hwnd) {
+    return m_windowManager != nullptr &&
+        m_windowManager->HandleGlobalTabDragPointerButtonUp(hwnd);
+}
+
+int RunXCUIEditorApp(HINSTANCE hInstance, int nCmdShow) {
+    Application application;
+    return application.Run(hInstance, nCmdShow);
+}
+
+} // namespace XCEngine::UI::Editor