Fix thumbnail URL (sddefault)

Remove repo-hosted video (YouTube instead)

YouTube thumbnail link for trajectory video

Test YouTube iframe embed

Embed trajectory video + YouTube link

Add 12-step trajectory video (4K)

drop the combined sheet; rename to so101_coffee_subtask and fix the red-cup wording

viz: drop the 12 single-step figures, superseded by the 3-step rows

card: show all 12 steps as four 3-step rows

viz: add steps 10-12 row figure

viz: add steps 7-9 row figure

viz: add steps 4-6 row figure

card: replace step 1/2/3 embeds with one combined row image

viz: add steps 1-3 horizontal row figure

Add dataset card with 24-block episode-range index

Add end-effector trajectory figures

Add files using upload-large-folder tool

initial commit