Cleaning game.cpp removing old test code.

Created static mesh entity
Created debug bar

Game/Debug/DebugTopBar.cpp

@@ -0,0 +1,50 @@
+#include <Debug/DebugTopBar.h>
+
+#include <game.h>
+#include <imgui.h>
+
+namespace
+{
+    Juliet::String GetGameModeName(GameMode gameMode)
+    {
+        using namespace Juliet;
+        switch (gameMode)
+        {
+        case GameMode::Editor: return WrapString("Editor");
+        case GameMode::Play: return WrapString("Play");
+        case GameMode::Debug: return WrapString("Debug");
+        default: return WrapString("Unknown ERROR");
+        }
+    }
+} // namespace
+
+void DrawTopBar()
+{
+    auto* gameState = GetGameState();
+
+    ImGuiViewport* viewport = ImGui::GetMainViewport();
+    ImGui::SetNextWindowPos(viewport->Pos);
+    ImGui::SetNextWindowSize(ImVec2(viewport->Size.x, 10.0f));
+
+    ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings |
+                             ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav;
+
+    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.6f));
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(10.0f, 5.0f));
+
+    if (ImGui::Begin("TopBarOverlay", nullptr, flags))
+    {
+        ImGui::Text("Game Mode: %s", CStr(GetGameModeName(gameState->Mode)));
+
+        char fps_text[32];
+        snprintf(fps_text, sizeof(fps_text), "FPS: %.1f (%.2f ms)", ImGui::GetIO().Framerate, 1000.0f / ImGui::GetIO().Framerate);
+        float text_width = ImGui::CalcTextSize(fps_text).x;
+        ImGui::SameLine(viewport->Size.x - text_width - 15.0f); // 15px right padding
+        // Render FPS text
+        ImGui::Text("%s", fps_text);
+    }
+    ImGui::End();
+
+    ImGui::PopStyleVar();
+    ImGui::PopStyleColor();
+}

Game/Debug/DebugTopBar.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#if JULIET_DEBUG
+void DrawTopBar();
+#endif