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**Related issue:** Resolves #
Saw I missed these when doing the DDM assets backend
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
## Testing
- [x] Added/updated automated tests
- [ ] QA'd all new/changed functionality manually
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## Summary by CodeRabbit
* **Tests**
* Expanded endpoint coverage for device management asset routes,
including listing, retrieving, deleting, and batch creation.
* Documented a remaining limitation affecting multipart asset uploads.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Magnus Jensen
17e115a517