Update k76b64 demos41 ckpts from fresh 20260802 retrain (Beaker 01KZ2HXD3DA55NTGERNP57KA2A)

Add k76b64 Sequential-C (seqc_*) CCIL ckpts 20260802 (additive)

Handoff: scratch recipes on HF under k76b64

Handoff: include k76b64 frozen scratch

Root README: k76b64 frozen scratch is Celia-knob (not Jul-15 dup)

Update k76b64/manifest.json (include frozen scratch + ft_resnet demos41)

Update k76b64/README.md (include frozen scratch + ft_resnet demos41)

Add k76b64/ft_resnet/demos41/expert_aug (k76b64 Celia knobs)

Add k76b64/ft_resnet/demos41/expert_only (k76b64 Celia knobs)

Add k76b64/resnet_unet_scratch (k76b64 Celia knobs)

Add k76b64/frozen_dino_scratch (k76b64 Celia knobs)

Sync HANDOFF_CHECKPOINTS_AND_REPRO.md (includes k76b64)

Update root README: index Jul-15 / Jul-18 / k76b64 packages

Update k76b64 manifest.json (results cells only)

Update k76b64 README.md (results cells only)

Remove k76b64 trials/redundant (bc_h1 + scratch); keep ft/bc_h2/seq results only

Add OPAL k76b64 Celia-knob ckpts 20260720 (additive under k76b64/)

Update follow-on docs (HANDOFF_CHECKPOINTS_AND_REPRO.md)

Add OPAL follow-on ckpts 20260718 (ft/h2/seqb/seqa-resnet); skip in-flight cm/s1r/seqa-dino

Update HANDOFF_CHECKPOINTS_AND_REPRO.md: point at helen branch

Update README.md: point at helen branch

Add/update HANDOFF_CHECKPOINTS_AND_REPRO.md

Add/update README.md

Add state_unet/demos41/expert_only/best.pt

Add state_unet/demos41/expert_aug/best.pt

Add state_unet/demos206/expert_only/best.pt

Add state_unet/demos206/expert_aug/best.pt

Add state_transformer/demos41/expert_only/best.pt

Add state_transformer/demos41/expert_aug/best.pt

Add state_transformer/demos206/expert_only/best.pt

Add state_transformer/demos206/expert_aug/best.pt

Add resnet_unet/demos41/expert_only/best.pt

Add resnet_unet/demos41/expert_aug/best.pt

Add resnet_unet/demos206/expert_only/best.pt

Add resnet_unet/demos206/expert_aug/best.pt

Add repro/dino_tf_expert_only_demos41/best.pt

Add repro/dino_tf_bc_ccil_demos41/best.pt

Add repro/dino_tf_bc_ccil_demos206/best.pt

Add frozen_dino/demos41/expert_only/best.pt

Add frozen_dino/demos41/expert_aug/best.pt

Add frozen_dino/demos206/expert_only/best.pt

Add frozen_dino/demos206/expert_aug/best.pt

Add repro/dino_tf_bc_ccil_demos41/summary.txt

Add repro/dino_tf_expert_only_demos41/summary.txt

Add repro/dino_tf_bc_ccil_demos206/summary.txt

Add state_unet/demos41/expert_only/summary.txt

Add state_unet/demos41/expert_aug/summary.txt

Add resnet_unet/demos41/expert_aug/summary.txt

Add resnet_unet/demos41/expert_only/summary.txt

Add state_transformer/demos206/expert_only/summary.txt