A1: AutoDiscoverStoragePaths no longer bails on a non-empty registry;
registers only deployed-app paths missing from the registry. Never
mutates/removes existing entries, never re-adds or reactivates a path
present in ANY state (incl. Decommissioned), never flips IsDefault.
A2: InferStorageLabel maps base==felhom-data namespace dir to
'Belső SSD (rendszer)' to disambiguate the internal system volume.
Table-driven tests incl. a companion that fails without the
skip-by-presence guard.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>