Add deterministic debug logging to fused pipeline

test_gpu_effects.sexp

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+;; GPU Effects Performance Test
+;; Tests rotation, zoom, hue-shift, ripple
+
+(stream "gpu_effects_test"
+  :fps 30
+  :width 1920
+  :height 1080
+  :seed 42
+
+  ;; Load primitives
+  (require-primitives "geometry")
+  (require-primitives "core")
+  (require-primitives "math")
+  (require-primitives "image")
+  (require-primitives "color_ops")
+
+  ;; Frame pipeline - test GPU effects
+  (frame
+    (let [;; Create a base gradient image
+          r (+ 0.5 (* 0.5 (math:sin (* t 1))))
+          g (+ 0.5 (* 0.5 (math:sin (* t 1.3))))
+          b (+ 0.5 (* 0.5 (math:sin (* t 1.7))))
+          color [(* r 255) (* g 255) (* b 255)]
+          base (image:make-image 1920 1080 color)
+
+          ;; Apply rotation (this is the main GPU bottleneck we optimized)
+          angle (* t 30)
+          rotated (geometry:rotate base angle)
+
+          ;; Apply hue shift
+          hue-shift (* 180 (math:sin (* t 0.5)))
+          hued (color_ops:hue-shift rotated hue-shift)
+
+          ;; Apply brightness based on time
+          brightness (+ 0.8 (* 0.4 (math:sin (* t 2))))
+          bright (color_ops:brightness hued brightness)]
+
+      bright)))