-- Send window + health thresholds for unified dispatch

ALTER TABLE sending_limit_profiles
  ADD COLUMN send_window_start TIME NULL DEFAULT '08:00:00' AFTER warmup_campaign_unlock_health,
  ADD COLUMN send_window_end TIME NULL DEFAULT '18:00:00' AFTER send_window_start,
  ADD COLUMN send_window_timezone VARCHAR(64) NOT NULL DEFAULT 'UTC' AFTER send_window_end,
  ADD COLUMN max_bounce_rate_pct DECIMAL(5, 2) NOT NULL DEFAULT 5.00 AFTER send_window_timezone,
  ADD COLUMN max_spam_complaint_rate_pct DECIMAL(5, 2) NOT NULL DEFAULT 0.30 AFTER max_bounce_rate_pct;