Add dynamic zoom and ripple amplitude to woods recipe

- Zoom now driven by audio energy via core:map-range
- Ripple amplitude reads from dynamic_params in sexp_to_cuda
- Crossfade transition with zoom in/out effect
- Move git clone before COPY in Dockerfile for better caching

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile.gpu

@@ -74,12 +74,12 @@ COPY --from=builder /decord-install /usr/local/lib/python3.11/dist-packages/
 COPY --from=builder /tmp/decord/build/libdecord.so /usr/local/lib/
 RUN ldconfig
 
-# Copy application
-COPY . .
-
-# Clone effects repo
+# Clone effects repo (before COPY so it gets cached)
 RUN git clone https://git.rose-ash.com/art-dag/effects.git /app/artdag-effects
 
+# Copy application (this invalidates cache for any code change)
+COPY . .
+
 # Create cache directory
 RUN mkdir -p /data/cache