* fix(dashboard): use balloon-adjusted memory percent on the Memory tile
When balloon fields are present, the Memory tile hero, tone, and
gauge bar now use effectiveUsagePercent so they match the used/total
bytes. Health and host RAM alerts still use working-set usagePercent.
* fix(dashboard): align health banner and Memory tile on balloon-adjusted memory
The health banner read the raw working-set percent while the Memory tile
showed the balloon-adjusted one, so a hypervisor ballooning an otherwise
healthy VM could flag it critical. Both now use effectiveUsagePercent,
falling back to the raw percent when balloon fields are absent. Host RAM
alerts keep the working-set percent: ballooned pages are reclaimed by the
hypervisor and cannot be recovered by the guest on demand.
Adds guarded context lines to the Memory tile: Current VM Memory (guest
retained), Current pressure (effective used over retained), Balloon
reclaimable, and, for ZFS nodes, Current memory in use (used plus ARC
reclaimable) above ZFS ARC reclaimable.
Validated with unit tests for both components including boundary cases,
type checks, lint, and visual regression comparison confirming no change
outside the Memory tile.
Anso
c3c6c1b0c1