Disable NeMo CUDA Graphs to fix CUDA failure 35 on RNNT decoding

NeMo 2.6 RNNT decoding uses CUDA Graphs which fail with error 35
on CUDA 12.8 + PyTorch 2.9 (NVIDIA-NeMo/NeMo#15145). Disable them
on the parakeet-tdt model after loading.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

preprocess/tools/lyric_transcription.py

@@ -150,6 +150,12 @@ class _ASREnModel:
             map_location=device,
         )
         self.model.eval()
+        # Disable CUDA Graphs to avoid "CUDA failure! 35" on CUDA 12.8 + PyTorch 2.9
+        # See: https://github.com/NVIDIA-NeMo/NeMo/issues/15145
+        if hasattr(self.model, 'decoding') and hasattr(self.model.decoding, 'decoding'):
+            comp = getattr(self.model.decoding.decoding, 'decoding_computer', None)
+            if comp is not None and hasattr(comp, 'disable_cuda_graphs'):
+                comp.disable_cuda_graphs()
 
     @staticmethod
     def _clean_word(word: str) -> str: