fix: disable spatial_correlation_sampler, use pure-PyTorch fallback

fix: include full build stderr and CUDA diagnostics in error

fix: return install error in status field instead of raising

fix: robust spatial-correlation-sampler install with CUDA_HOME detection and fallback

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

optimize zero-gpu usage

Update app.py

fix package error

Update app.py

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update

Update app.py

Duplicate from gradio-templates/text-to-image-gradio-template