task/per-child-all-done-and-present-today-binary-sensors_57f21f59-bc3a-4e74-baea-9f54e3cf3601
feature/5841198a-cca2-4268-88e5-96a551a03609-entity-event-surface
all_done is on exactly when the child owed quests today and owes none remaining (a zero-quest day stays off so celebrations never fire on an empty day); present_today mirrors the presence engine's answer for the HA-local date.