P1: ETS top-N — rating/rating_count (events, calendars) #45
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Проблема
top_events_by_rating,top_calendars_by_rating,top_calendars_by_reviews— fold всех entity.Ожидаемый результат
ETS
ordered_set, обновление при изменении denormalizedrating_avg/rating_count. Backfill при rebuild.Критерии приёмки
Приоритет
P1
Шаг 3a плана tops (класс A).
Беру в работу. ETS top-N для rating/rating_count (events, calendars).