-- Track provider-backed bill payment initiation state.
ALTER TABLE "BillPayment" ADD COLUMN "status" TEXT NOT NULL DEFAULT 'completed';
ALTER TABLE "BillPayment" ADD COLUMN "provider" TEXT;
ALTER TABLE "BillPayment" ADD COLUMN "providerPaymentId" TEXT;

CREATE INDEX "BillPayment_userId_status_idx" ON "BillPayment"("userId", "status");
CREATE INDEX "BillPayment_provider_providerPaymentId_idx" ON "BillPayment"("provider", "providerPaymentId");