CONTRACT_004 offsite target (ADR-004 'second self-hosted location'). @pulumi/minio
program (modeled on olsicloud4 modules/minio): bucket 'olsitec-foundation' +
scoped IAM user/policy + service account on minio.wob.olsitec.de:19000.
Verified: scoped SA can put/list/delete in its bucket, DENIED cross-bucket. Admin
creds + scoped creds via ENV/state only (gitignored), never committed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>