ReadonlyaliveLast observed alive flag; disappearance never implies death.
ReadonlydamageReadonlydamageReadonlyfirstReadonlyhealingReadonlylastReadonlyplayerOptional ReadonlypresentPresence in the latest complete collection. Absent while the feed is unavailable.
ReadonlytypeReadonlyunit
One retained player/type attribution for a full unit instance ID.