data: fix fixture 204 hole spacing typo (2mcm -> 20mm)

data: remove fixture 239 (drop leftover cached mesh + renders)

data: remove fixture 239

data: restore multi-image generation inputs

data: replace stub fixtures with benchmark-v1 inputs (85 fixtures)

remove stale README (scripts-holding-folder note)

Add example_2 input shape renders for the submission report

Remove stub jig-* fixtures; keep example_1/example_2

Add example_1 (generation) and example_2 (editing) inputs

add README from _to_move_to_dataset_repo/

add submitter sanity_check_submission.py

seed: fixture inputs (5 jig fixtures, stub set)

initial commit