zpan/migrations/0088_x402_tenant_idempotency.sql

DROP INDEX `x402_capacity_purchase_intents_idempotency_uniq`;--> statement-breakpoint
CREATE UNIQUE INDEX `x402_capacity_purchase_intents_org_idempotency_uniq` ON `x402_capacity_purchase_intents` (`org_id`,`idempotency_key`);