- Add postgresql_superuser variable (eblume) to prevent inheriting OS username
- Update initdb to use -U flag for explicit superuser creation
- Update all psql/createdb commands to use explicit -U flag
- Add check_mode: false to op commands so 1Password fetches run in --check mode
- Add PostgreSQL and Miniflux to indri-services-check
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>