Fix blending primitive name

recipes/woods-recipe-optimized.sexp

@@ -151,7 +151,7 @@
           processed-b (streaming_gpu:fused-pipeline frame-b effects-b)]
 
       ;; Blend the two processed frames
-      (blending_gpu:blend processed-a processed-b mix-ratio)))
+      (blending:blend-images processed-a processed-b mix-ratio)))
 
   ;; === FRAME PIPELINE ===
   (frame
@@ -175,7 +175,7 @@
           ;; Crossfade during transition
           result (if fading
                    (let [next-frame (process-pair-fast next-idx)]
-                     (blending_gpu:blend active-frame next-frame fade-amt))
+                     (blending:blend-images active-frame next-frame fade-amt))
                    active-frame)
 
           ;; Final effects pipeline (fused!)