whatsapp-inbox-platform/prisma/migrations/20260421093000_add_campaign_retry_metadata/migration.sql

ALTER TABLE "CampaignRecipient" ADD COLUMN "sendAttempts" INTEGER NOT NULL DEFAULT 0;
ALTER TABLE "CampaignRecipient" ADD COLUMN "maxSendAttempts" INTEGER NOT NULL DEFAULT 3;
ALTER TABLE "CampaignRecipient" ADD COLUMN "lastAttemptAt" DATETIME;
ALTER TABLE "CampaignRecipient" ADD COLUMN "nextRetryAt" DATETIME;