refactor: remove Pure Usage subscription and stripe_price_id from user schema

- Remove stripe_price_id column from user table (migration 0041)
- Remove STRIPE_USAGE_PRICE_ID from env schemas and defaults
- Stop auto-subscribing new users to Pure Usage on signup
- Remove stripe_price_id from TypeScript types (user.ts, next-auth.d.ts, typed.d.ts)
- Clean up test utilities and eval configs
- Delete scripts/update-stripe-subscriptions.ts

Author: brandonkachen

.env.example

@@ -16,7 +16,6 @@ NEXTAUTH_SECRET=dummy_nextauth_secret_at_least_32_chars_long
 # Payment (Stripe)
 STRIPE_SECRET_KEY=sk_test_dummy_stripe_secret
 STRIPE_WEBHOOK_SECRET_KEY=whsec_dummy_webhook_secret
-STRIPE_USAGE_PRICE_ID=price_dummy_usage_id
 STRIPE_TEAM_FEE_PRICE_ID=price_dummy_team_fee_id
 STRIPE_SUBSCRIPTION_100_PRICE_ID=price_dummy_subscription_100_id
 STRIPE_SUBSCRIPTION_200_PRICE_ID=price_dummy_subscription_200_id

cli/src/__tests__/test-utils.ts

@@ -79,7 +79,6 @@ const TEST_SERVER_ENV_DEFAULTS: Record<string, string> = {
   NEXTAUTH_SECRET: 'test-secret',
   STRIPE_SECRET_KEY: 'sk_test_dummy',
   STRIPE_WEBHOOK_SECRET_KEY: 'whsec_dummy',
-  STRIPE_USAGE_PRICE_ID: 'price_test',
   STRIPE_TEAM_FEE_PRICE_ID: 'price_test',
   LOOPS_API_KEY: 'test',
   DISCORD_PUBLIC_KEY: 'test',

evals/buffbench/eval-codebuff.json

@@ -27,7 +27,6 @@
     "NEXTAUTH_SECRET": "test-nextauth-secret",
     "STRIPE_SECRET_KEY": "test-stripe-key",
     "STRIPE_WEBHOOK_SECRET_KEY": "test-stripe-webhook",
-    "STRIPE_USAGE_PRICE_ID": "test-price-id",
     "STRIPE_TEAM_FEE_PRICE_ID": "test-team-price-id",
     "LOOPS_API_KEY": "test-loops",
     "DISCORD_PUBLIC_KEY": "test-discord-public",

packages/internal/src/db/migrations/0041_nappy_nebula.sql

@@ -0,0 +1 @@
+ALTER TABLE "user" DROP COLUMN "stripe_price_id";