Update dataset card for full 12,288-protein validation

Document current full-set validation and historical sampled scores

Add full 12,288-protein MLM validation contract

Document fixed validation settings and evaluation downloads

Retire superseded v1 archive receipt from main

Retire superseded contact transport bundle from main

Publish fixed 4096-protein validation contract and clean contact assets

Add frozen NanoProtein contact P@L evaluation bundle

Document every protected evaluation data source and task

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

initial commit