docs: publish explicit archive verification status

docs: clarify release verification scope

docs: clarify versioned release verification

docs: publish plain v1.1 release guide

release: synchronize IMPACT v1.1 archives and checksums

docs: refresh IMPACT v1.1 dataset card

Update v1.1 release notes

Announce refined v1.1 release

Align refined v1.1 TAS-S boundaries

Fix v1.1 terminal annotation policy

Remove superseded unversioned release assets

Release IMPACT v1.1 dataset card

Add files using upload-large-folder tool

Upload eye_tracking/eye_tracking_ego.zip with huggingface_hub

Upload folder using huggingface_hub

Upload sample/subset_summary.json with huggingface_hub

Upload README.md with huggingface_hub

Add released feature bundles

Add depth bundles

Add RGB video bundles

Add IMPACT sample subset

Add annotation bundle

Add ego audio bundle

Add IMPACT dataset card

initial commit