<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves#44617
Screenshot:
<img width="1318" height="528" alt="image"
src="https://github.com/user-attachments/assets/4ec4bd85-8efb-4729-86ad-ea3059439b60"
/>
Note that the uninstall details modal is viewable without any errors on
Fleet Free, so maybe we should address that at some point.
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.
- [ ] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [ ] Timeouts are implemented and retries are limited to avoid infinite
loops
- [ ] If paths of existing endpoints are modified without backwards
compatibility, checked the frontend/CLI for any necessary changes
## Testing
- [x] Added/updated automated tests
- [ ] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates to one hosts's records do not affect another)
- [x] QA'd all new/changed functionality manually
For unreleased bug fixes in a release candidate, one of:
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* When accessing software install details without a Fleet Premium
license, the activity modal now displays a Fleet Premium upsell message
with a "Learn more" link instead of a generic error, providing clearer
guidance to upgrade.
* **Tests**
* Added test coverage for the Fleet Premium license requirement scenario
in the install details modal.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Jonathan Katz
75a822fb91