Realign the prepared soybean data to +X (the frame the released checkpoint expects)

Add prepared soybean PointTransformer dataset (67 train, 11 test)

Update sample_params: add main-stem rotation/quaternion to transform.json

add processed sample_params archive (processed parametric plant samples)

Reorganize leaf arrays to leaf_deformed_mesh/<species>.npy

Add 3D leaf deformation arrays (per-species [n,43,45,3]) under sample_params/<species>/leaf_deform.npy

Add raw soybean mesh dataset (607 unprocessed meshes)

Update README.md

initial commit