Refs #1474
Separate TrueNAS native disk state from SMART health so null or unavailable smart_status projects as UNKNOWN without replacement risk, while explicit SMART failure and native failure states still alert.
Proof:
- go test ./internal/truenas ./internal/unifiedresources ./internal/storagehealth
- npm --prefix frontend-modern test -- src/features/storageBackups/__tests__/diskPresentation.test.ts
rcourtman
c05eed4306