Optionalquery: UnitContributionQueryRetained identities and observed contributions, including zero-contribution units. Apps choose their grouping/count/cost policy.
Optionalquery: UnitContributionQueryFirst observation and observations after gaps/transfers/transformations establish baselines.
Call on disconnect. Match, rewind, catalog, mode and permission changes reset automatically.
Query a trailing window. Events span observation intervals, not exact combat timestamps.
Optionalquery: UnitContributionQuery
Positive counter deltas observed since attachment, retained after corpse removal and timed-event expiry.