host-sensors: never await the PowerShell RAM probe on a read; keep the resolved total and show the memory in use alone until it answers (test with a held PowerShell)
test: rename the Windows sampler test that said the GPU counters are added "for good"
test: make host-sensors.test.ts's @fileoverview describe what that file covers
host-sensors: make the nvidiaSkipUntil JSDoc describe the back-off deadline
docs: Settings Reference says the host readings live inside System Stats and nothing is fetched while it is off
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>