diff --git a/src/renderer/Renderer.h b/src/renderer/Renderer.h
index 2b2827a..e23e0a5 100644
--- a/src/renderer/Renderer.h
+++ b/src/renderer/Renderer.h
@@ -1,7 +1,8 @@
+// Renderer abstraction (minimal scaffold)
 #pragma once
 
-#include <SDL3/SDL.h>
 #include <memory>
+#include <SDL3/SDL.h>
 
 namespace renderer {
 
@@ -9,12 +10,18 @@ class Renderer {
 public:
     virtual ~Renderer() = default;
 
-    // Wrap common operations used by renderers
+    // Create/destroy textures
     virtual SDL_Texture* createTextureFromSurface(SDL_Surface* surf) = 0;
     virtual void destroyTexture(SDL_Texture* tex) = 0;
+
+    // Draw operations (minimal)
     virtual void copy(SDL_Texture* tex, const SDL_Rect* src, const SDL_Rect* dst) = 0;
     virtual void clear(const SDL_Color& color) = 0;
     virtual void present() = 0;
 };
 
+// Factory helper implemented by SDL-specific backend
+std::unique_ptr<Renderer> MakeSDLRenderer(SDL_Renderer* rdr);
+
 } // namespace renderer
+