- Update default template from minimal to minimal-ubuntu
- Replace /root and /home/user paths with /home/wrenn-user in tests
- Update file ownership from root:root to wrenn-user:wrenn-user
- Add sudo-related integration tests
- Regenerate pydantic models from updated OpenAPI spec
- Add snapshotting status, AdminTemplate schema, protected field
- Rename Type1→Type5 enums to match new spec
- Update OpenAPI spec for async snapshot endpoints