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/debug/test_profiler.cpp

@@ -0,0 +1,37 @@
+#include <gtest/gtest.h>
+#include <XCEngine/Debug/Profiler.h>
+
+using namespace XCEngine::Debug;
+
+namespace {
+
+TEST(Debug_Profiler, Initialize) {
+    Profiler& profiler = Profiler::Get();
+    profiler.Initialize();
+    EXPECT_TRUE(true);
+    profiler.Shutdown();
+}
+
+TEST(Debug_Profiler, BeginEndProfile) {
+    Profiler& profiler = Profiler::Get();
+    profiler.Initialize();
+    
+    profiler.BeginProfile("TestProfile");
+    profiler.EndProfile();
+    
+    EXPECT_TRUE(true);
+    profiler.Shutdown();
+}
+
+TEST(Debug_Profiler, Frame) {
+    Profiler& profiler = Profiler::Get();
+    profiler.Initialize();
+    
+    profiler.BeginFrame();
+    profiler.EndFrame();
+    
+    EXPECT_TRUE(true);
+    profiler.Shutdown();
+}
+
+} // namespace