-- ── Add speed limit + router link + MikroTik profile sync ────
ALTER TABLE `net_packages`
  ADD COLUMN IF NOT EXISTS `download_speed` VARCHAR(10) DEFAULT NULL AFTER `validity`,
  ADD COLUMN IF NOT EXISTS `upload_speed`   VARCHAR(10) DEFAULT NULL AFTER `download_speed`,
  ADD COLUMN IF NOT EXISTS `router_id`      BIGINT UNSIGNED DEFAULT NULL AFTER `upload_speed`,
  ADD COLUMN IF NOT EXISTS `mikrotik_profile` VARCHAR(100) DEFAULT NULL AFTER `router_id`;