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

tests/editor/test_application_asset_cache_stub.cpp

@@ -0,0 +1,45 @@
+#include "Application.h"
+
+#include <XCEngine/Core/Asset/ResourceManager.h>
+#ifdef XCENGINE_ENABLE_MONO_SCRIPTING
+#include <XCEngine/Scripting/Mono/MonoScriptRuntime.h>
+#endif
+
+namespace XCEngine::Editor {
+
+Application& Application::Get() {
+    alignas(Application) static unsigned char storage[sizeof(Application)] = {};
+    return *reinterpret_cast<Application*>(storage);
+}
+
+bool Application::CanReimportProjectAsset(const std::string& assetPath) const {
+    if (assetPath.empty()) {
+        return false;
+    }
+
+    return ::XCEngine::Resources::ResourceManager::Get().CanReimportProjectAsset(assetPath.c_str());
+}
+
+bool Application::ReimportProjectAsset(const std::string& assetPath) {
+    if (assetPath.empty()) {
+        return false;
+    }
+
+    auto& resourceManager = ::XCEngine::Resources::ResourceManager::Get();
+    resourceManager.Initialize();
+    return resourceManager.ReimportProjectAsset(assetPath.c_str());
+}
+
+bool Application::ReimportAllProjectAssets() {
+    auto& resourceManager = ::XCEngine::Resources::ResourceManager::Get();
+    resourceManager.Initialize();
+    return resourceManager.RebuildProjectAssetCache();
+}
+
+bool Application::ClearProjectLibrary() {
+    auto& resourceManager = ::XCEngine::Resources::ResourceManager::Get();
+    resourceManager.Initialize();
+    return resourceManager.ClearProjectLibraryCache();
+}
+
+} // namespace XCEngine::Editor