Give each block 6 s of ZeroGPU duration budget (measured ~5 s/block)

app.py

@@ -52,7 +52,7 @@ def stop():
     return "stopping after this block…"
 
 
-@spaces.GPU(duration=lambda image, prompt, max_blocks: 30 + 4 * int(max_blocks))
+@spaces.GPU(duration=lambda image, prompt, max_blocks: 30 + 6 * int(max_blocks))
 def rollout(image, prompt, max_blocks):
     held = CONTROLS["▲ forward (W)"]