Add taxv3om lr1e-5 step154 SFT checkpoint

Add shapeA lr2e-5 step91 SFT init (best arm M+balance+noloc)

Add lr5e-6 (SFT lr lr5e-6, epoch 2)

Add lr1e-5 (SFT lr lr1e-5, epoch 2)

Add model card

initial commit