Add Memby account management

server/internal/store/ranking.go

@@ -161,6 +161,12 @@ func (s *Store) SetRecommendationOnboarding(
 	return err
 }
 
+func (s *Store) ClearRecommendationOnboarding(ctx context.Context, userID string) error {
+	_, err := s.pool.Exec(ctx, `
+		DELETE FROM recommendation_onboarding WHERE emby_user_id = $1`, userID)
+	return err
+}
+
 // UserItemExposures is deliberately item-scoped. A row impression with no item id is
 // useful for row ordering but cannot be used to claim a particular poster was ignored.
 func (s *Store) UserItemExposures(