fix: only set env defaults in CI, not local dev

- Wrap ensureEnvDefault calls with isCI check
- Local dev will fail fast on missing env vars
- CI gets safe defaults for tests

Author: brandonkachen

packages/internal/src/env.ts

@@ -1,28 +1,33 @@
 import { serverEnvSchema, serverProcessEnv } from './env-schema'
 
-// Provide safe defaults for local/test runs to avoid schema failures
-const ensureEnvDefault = (key: string, value: string) => {
-  if (!process.env[key]) {
-    process.env[key] = value
+// Only provide safe defaults in CI to avoid schema failures during tests
+// In local dev, missing env vars should fail fast so devs know to configure them
+const isCI = process.env.CI === 'true' || process.env.CI === '1'
+
+if (isCI) {
+  const ensureEnvDefault = (key: string, value: string) => {
+    if (!process.env[key]) {
+      process.env[key] = value
+    }
   }
-}
 
-ensureEnvDefault('OPEN_ROUTER_API_KEY', 'test')
-ensureEnvDefault('OPENAI_API_KEY', 'test')
-ensureEnvDefault('LINKUP_API_KEY', 'test')
-ensureEnvDefault('PORT', '4242')
-ensureEnvDefault('DATABASE_URL', 'postgres://user:pass@localhost:5432/db')
-ensureEnvDefault('CODEBUFF_GITHUB_ID', 'test-id')
-ensureEnvDefault('CODEBUFF_GITHUB_SECRET', 'test-secret')
-ensureEnvDefault('NEXTAUTH_SECRET', 'test-secret')
-ensureEnvDefault('STRIPE_SECRET_KEY', 'sk_test_dummy')
-ensureEnvDefault('STRIPE_WEBHOOK_SECRET_KEY', 'whsec_dummy')
-ensureEnvDefault('STRIPE_USAGE_PRICE_ID', 'price_test')
-ensureEnvDefault('STRIPE_TEAM_FEE_PRICE_ID', 'price_test')
-ensureEnvDefault('LOOPS_API_KEY', 'test')
-ensureEnvDefault('DISCORD_PUBLIC_KEY', 'test')
-ensureEnvDefault('DISCORD_BOT_TOKEN', 'test')
-ensureEnvDefault('DISCORD_APPLICATION_ID', 'test')
+  ensureEnvDefault('OPEN_ROUTER_API_KEY', 'test')
+  ensureEnvDefault('OPENAI_API_KEY', 'test')
+  ensureEnvDefault('LINKUP_API_KEY', 'test')
+  ensureEnvDefault('PORT', '4242')
+  ensureEnvDefault('DATABASE_URL', 'postgres://user:pass@localhost:5432/db')
+  ensureEnvDefault('CODEBUFF_GITHUB_ID', 'test-id')
+  ensureEnvDefault('CODEBUFF_GITHUB_SECRET', 'test-secret')
+  ensureEnvDefault('NEXTAUTH_SECRET', 'test-secret')
+  ensureEnvDefault('STRIPE_SECRET_KEY', 'sk_test_dummy')
+  ensureEnvDefault('STRIPE_WEBHOOK_SECRET_KEY', 'whsec_dummy')
+  ensureEnvDefault('STRIPE_USAGE_PRICE_ID', 'price_test')
+  ensureEnvDefault('STRIPE_TEAM_FEE_PRICE_ID', 'price_test')
+  ensureEnvDefault('LOOPS_API_KEY', 'test')
+  ensureEnvDefault('DISCORD_PUBLIC_KEY', 'test')
+  ensureEnvDefault('DISCORD_BOT_TOKEN', 'test')
+  ensureEnvDefault('DISCORD_APPLICATION_ID', 'test')
+}
 
 // Only log environment in non-production
 if (process.env.NEXT_PUBLIC_CB_ENVIRONMENT !== 'prod') {