open.json against docs/EXTERNAL_TEST_DATA.md (membership both ways, space group, cell, d_min,
the stated row and repository counts, the small-molecule references), still_manifest.json
against docs/EXTERNAL_TEST_DATA_STILLS.md (membership both ways, CXIDB entry, PDB entry, space
group, d_min) and inhouse.json against the README's Arms table; exits 1 on a mismatch.
Stdlib only, no data needed. The README names it beside test_score.py and in "Adding datasets".
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015CeEGgpKdfkCTJb3YNMJcu