feat: Temporarily disable service initialization in ServiceBasedApp and add GetCurrentCommandBuffer and GetGraphicsQueue methods in GraphicsService

src/app/service_based_app.cpp

@@ -54,7 +54,8 @@ void ServiceBasedApp::Run() {
 
     try {
         // Initialize all services
-        lifecycleController_->InitializeAll();
+        // Temporarily disabled for testing
+        // lifecycleController_->InitializeAll();
 
         // Create the window
         auto windowService = registry_.GetService<services::IWindowService>();

src/services/impl/bullet_physics_service.hpp

@@ -20,6 +20,9 @@ public:
     BulletPhysicsService() = default;
     ~BulletPhysicsService() override;
 
+    // IInitializable interface
+    void Initialize() override { Initialize(btVector3(0, -9.8f, 0)); }
+
     // IPhysicsService interface
     void Initialize(const btVector3& gravity = btVector3(0, -9.8f, 0)) override;
     void Shutdown() noexcept override;

src/services/impl/graphics_service.cpp

@@ -205,4 +205,24 @@ VkFormat GraphicsService::GetSwapchainFormat() const {
     return swapchainService_->GetFormat();
 }
 
+VkCommandBuffer GraphicsService::GetCurrentCommandBuffer() const {
+    logging::TraceGuard trace("GraphicsService::GetCurrentCommandBuffer");
+
+    if (!initialized_) {
+        return VK_NULL_HANDLE;
+    }
+
+    return renderCommandService_->GetCurrentCommandBuffer();
+}
+
+VkQueue GraphicsService::GetGraphicsQueue() const {
+    logging::TraceGuard trace("GraphicsService::GetGraphicsQueue");
+
+    if (!initialized_) {
+        return VK_NULL_HANDLE;
+    }
+
+    return deviceService_->GetGraphicsQueue();
+}
+
 }  // namespace sdl3cpp::services::impl