flush_views_to_postmeta() adds warm-zone views back with a direct UPDATE,
which the Hook Bus never sees: under dual_write/shadow_read the
hp_listing_core.hp_view_count column drifted after every hourly batch and
the (Redis) object cache kept the old count. After the UPDATE, drop the
post's meta cache and, while native is still the source of truth, rebuild
the entity's flat row with migrate_entity().
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