chore: snapshot editor work and restore tests

Key points:\n- restore the tests tree removed by bc47e6e\n- capture current editor workspace, scene, and docs reshuffle changes\n- keep local cloud.nvdb resources ignored from this commit

editor/app/Bootstrap/Application.cpp

@@ -2,6 +2,7 @@
 #include "Bootstrap/EditorResources.h"
 #include "System/SystemInteractionService.h"
 #include "Composition/EditorContext.h"
+#include "Windowing/System/EditorWindowSystem.h"
 #include "Platform/Win32/Windowing/EditorWindowManager.h"
 #include "Platform/Win32/Windowing/EditorWindow.h"
 #include "Platform/Win32/System/Win32SystemInteractionHost.h"
@@ -115,6 +116,8 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
 
     m_systemInteractionHost = std::make_unique<Host::Win32SystemInteractionHost>();
     m_editorContext->SetSystemInteractionHost(m_systemInteractionHost.get());
+    m_windowSystem = std::make_unique<App::EditorWindowSystem>(
+        m_editorContext->GetShellAsset().panelRegistry);
 
     App::EditorWindowHostConfig hostConfig = {};
     hostConfig.hInstance = m_hInstance;
@@ -125,7 +128,8 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
     m_windowManager = std::make_unique<App::EditorWindowManager>(
         hostConfig,
         m_repoRoot,
-        *m_editorContext);
+        *m_editorContext,
+        *m_windowSystem);
 
     m_editorContext->SetExitRequestHandler([this]() {
         if (m_windowManager == nullptr) {
@@ -148,8 +152,20 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
     createParams.primary = true;
     createParams.autoCaptureOnStartup =
         App::IsEnvironmentFlagEnabled("XCUI_AUTO_CAPTURE_ON_STARTUP");
+    UIEditorWorkspaceController primaryWorkspaceController =
+        m_editorContext->BuildWorkspaceController();
+    std::string windowSystemError = {};
+    if (!m_windowSystem->BootstrapPrimaryWindow(
+            createParams.windowId,
+            primaryWorkspaceController,
+            windowSystemError)) {
+        AppendUIEditorRuntimeTrace(
+            "app",
+            "window system bootstrap failed: " + windowSystemError);
+        return false;
+    }
     if (m_windowManager->CreateWorkspaceWindow(
-            m_editorContext->BuildWorkspaceController(),
+            std::move(primaryWorkspaceController),
             createParams) == nullptr) {
         AppendUIEditorRuntimeTrace("app", "primary window creation failed");
         return false;
@@ -166,6 +182,7 @@ void Application::Shutdown() {
         m_windowManager->Shutdown();
         m_windowManager.reset();
     }
+    m_windowSystem.reset();
 
     if (m_editorContext != nullptr) {
         m_editorContext->SetSystemInteractionHost(nullptr);