feat: make billing better (#203)

apps/web/prisma/migrations/20250824131647_add_price_ids_array/migration.sql

@@ -0,0 +1,8 @@
+-- CreateEnum
+CREATE TYPE "SendingDisabledReason" AS ENUM ('FREE_LIMIT_REACHED', 'BILLING_ISSUE', 'SPAM');
+
+-- AlterTable
+ALTER TABLE "Subscription" ADD COLUMN     "priceIds" TEXT[];
+
+-- Populate priceIds array with existing priceId values
+UPDATE "Subscription" SET "priceIds" = ARRAY["priceId"] WHERE "priceId" IS NOT NULL;