default HF jobs to amp off

length-bucketed training and HF bootstrap

Fix AMP control in training loop

test amp disable training env

cover no embedding export in hf train jobs

test simulator skipped loci

test simulator hf job launcher

test pinned split revision cache key

cover remote train processed cache path

sync current ml-intern source for hf jobs

Upload tests/test_model.py

Upload tests/__init__.py

Upload tests/test_pixelizer.py