<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Should Resolve#34591
# Checklist for submitter
- [x] Changes file added
## User Story
CachyOS lacks from vitals information such as :
* disk encryption status
* disk space
* IP & MAC Addresses
* Installed packages
## Summary
- Add CachyOS as a recognized Linux platform
## Tests
- [x] Enroll a CachyOS host and verify it appears as Linux in Fleet
- [x] Verify disk encryption status displays correctly
- [x] Verify pacman packages are queryable via `fleetd_pacman_packages`
table
- [x] Disk space, mac address, Public/Private IP are well reported
- [x] Script are well executed
- [x] No more errors in fleet service logs (level=error
msg="unrecognized platform" hostID=169 platform=cachyos)
- [ ] QA'd all new/changed functionality manually
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Summary by CodeRabbit
* **New Features**
* CachyOS (Arch-based Linux distribution) is now recognized as a
supported platform, including disk encryption detection and LUKS
support.
* **Bug Fixes**
* Updated host vitals disk-encryption tooltip messaging so CachyOS uses
the correct Linux-specific copy.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: plop28 <plop28@noreply.com>