Describe classification table versioning

Once we decide in a versioning system this should be documented here.
A tag should be applied to specific commits match the tables.

Should we coalesce versioning or keep two separate schemes?

Is changing of the underpinning data thresholds considered a breaking change for semantic versioning?
API does not change but results do.

No file, test, or entry point is named. First resolve whether the classification tables share a versioning scheme and whether threshold changes are breaking changes; document the decision, including how tags identify matching commits and how result changes are treated.

Written by the indexing model from the issue text.