Force CPU in Space and set TORCH_CUDA_ARCH_LIST to avoid JIT arch errors

app.py

@@ -20,6 +20,9 @@ logger = logging.getLogger("sfe-app")
 # -----------------------------------------------------------------------------
 # Model bootstrap (load once and reuse)
 # -----------------------------------------------------------------------------
+# Force CPU on Spaces and avoid CUDA arch auto-detection errors during JIT
+os.environ.setdefault("CUDA_VISIBLE_DEVICES", "")
+os.environ.setdefault("TORCH_CUDA_ARCH_LIST", "8.0")
 RUNNER: SimpleRunner | None = None