-- 0010_message_performance_indexes: indexes for second-stage message seek paths. CREATE INDEX IF NOT EXISTS message_boxes_dialog_date_seek_idx ON message_boxes (owner_user_id, peer_type, peer_id, message_date DESC, box_id DESC) WHERE NOT deleted; CREATE INDEX IF NOT EXISTS dispatch_outbox_dispatching_stale_idx ON dispatch_outbox (status, updated_at, target_user_id, id) WHERE status = 'dispatching';