_applyHostStorageRoot only rewrote binds carrying the current
NOMAD_STORAGE_PATH and short-circuited when env == resolved root. That
left user-modified/custom apps — whose binds freeze the default prefix at
edit time — mounting an empty dir on the documented "set NOMAD_STORAGE_PATH
+ relocate the volume" path (#938).
- Match either the env value or the hardcoded default prefix; drop the
root == seededRoot no-op, excluding root from the candidates instead so
rewrites stay idempotent.
- Add ADMIN_STORAGE_DEST / DEFAULT_HOST_STORAGE_ROOT constants; replace the
cwd-derived storage dest so admin-mount lookup can't silently break.
- Comment why a transient inspect failure is deliberately not cached.