Add LIBERO Cosmos Policy Predict2-2B checkpoint

Add LIBERO FastWAM checkpoint

Add LIBERO IDM and Joint checkpoints

Group checkpoints by dataset

Publish the final RoboCOIN RIFT checkpoint

Organize RoboCOIN and Galaxea checkpoints with matching configs and stats

Keep FastWAM release weight-only

Fix FastWAM artifact filenames

Add files using upload-large-folder tool

Update RIFT package namespace

Simplify model card and link paper

docs: restrict checkpoint to evaluation

docs: add RIFT model card