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_imgui_backend_bridge_api.cpp

@@ -0,0 +1,40 @@
+#include <gtest/gtest.h>
+
+#include "UI/ImGuiBackendBridge.h"
+
+#include <type_traits>
+
+namespace {
+
+using XCEngine::Editor::UI::ImGuiBackendBridge;
+using XCEngine::RHI::RHIDevice;
+using XCEngine::RHI::RHIResourceView;
+using XCEngine::RHI::RHITexture;
+
+TEST(ImGuiBackendBridgeApiTest, ExposesExistingShaderResourceViewRegistrationOverload) {
+    using TextureDescriptorFromTextureSignature = bool (ImGuiBackendBridge::*)(
+        RHIDevice*,
+        RHITexture*,
+        D3D12_CPU_DESCRIPTOR_HANDLE*,
+        D3D12_GPU_DESCRIPTOR_HANDLE*,
+        ImTextureID*);
+    using TextureDescriptorFromSrvSignature = bool (ImGuiBackendBridge::*)(
+        RHIDevice*,
+        RHIResourceView*,
+        D3D12_CPU_DESCRIPTOR_HANDLE*,
+        D3D12_GPU_DESCRIPTOR_HANDLE*,
+        ImTextureID*);
+
+    static_assert(std::is_same_v<
+                  decltype(static_cast<TextureDescriptorFromTextureSignature>(
+                      &ImGuiBackendBridge::CreateTextureDescriptor)),
+                  TextureDescriptorFromTextureSignature>);
+    static_assert(std::is_same_v<
+                  decltype(static_cast<TextureDescriptorFromSrvSignature>(
+                      &ImGuiBackendBridge::CreateTextureDescriptor)),
+                  TextureDescriptorFromSrvSignature>);
+
+    SUCCEED();
+}
+
+} // namespace