feat(dev): add S3/MinIO env vars to dev script

Add CDN_ENDPOINT, S3_ENDPOINT, and AWS credentials to sharedEnv
so storage-confirm-upload and other S3-dependent functions work
in local dev mode (make dev-fn).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: theothersideofgods

scripts/dev.ts

@@ -63,6 +63,14 @@ const sharedEnv: Record<string, string> = {
   LOCAL_APP_PORT: '3000',
   SEND_VERIFICATION_LINK_DRY_RUN: 'true',
   SEND_EMAIL_DRY_RUN: 'true',
+  // S3/MinIO (matches docker-compose minio on port 9000)
+  CDN_ENDPOINT: 'http://localhost:9000',
+  S3_ENDPOINT: 'http://localhost:9000',
+  AWS_REGION: 'us-east-1',
+  AWS_ACCESS_KEY: 'minioadmin',
+  AWS_SECRET_KEY: 'minioadmin',
+  AWS_ACCESS_KEY_ID: 'minioadmin',
+  AWS_SECRET_ACCESS_KEY: 'minioadmin',
 };
 
 // --- Process definitions (built from manifest) ---