List the team's eval groups (slug + display name).
Successful Response
How the viewer renders scores: "percent" (73.5%) or "decimal" (0.735, for C-index/AUC).
How member tasks roll up into the group score: "mean" (average) or "max" (best task).
Optional random/chance baseline in the group's own units (0.5 for C-index, 0.25 for a 4-class task). Unbounded above, like every other score here.
Provenance of the group definition, e.g. "github:<org>/<repo>" when kept in sync from a customer repo. Empty = leave the stored value unchanged.
Whether the nightly customer-code sync may touch this group. None = leave the stored value unchanged (new groups default true).