agentapi.Decommission + handleStorageDecommission (migrate-all-or-none, Change 2):
migrate-then-decommission via the migration done-hook, or decommission-anyway (stop
apps, keep HDD_PATH). 'Hiányzó tárhely' badge on dashboard/stacks/app card when an
app's drive is decommissioned/disconnected/absent. Change 4: registerStoragePath
clears the decommissioned marker on re-enroll (ClearDecommissioned had no callers).
Non-hollow tests incl. mutation-proven Change-4 companion.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
internal/stacks/migrate.go: crash-safe, resumable namespace migration over the
controller's /mnt RW mount. Two entry points (whole-namespace + per-app) share one
journaled pipeline: validate -> stop -> copy (rsync -a --checksum, additive; conflict-
merge walk for non-app content) -> verify -> flip+redeploy (RedeployFromEnv) -> cleanup.
CLEANUP (the only destructive step) is gated on all units verified AND all apps
redeployed. Single-flight; mutual exclusion with the backup orchestrator (Change 3).
Non-hollow tests incl. mutation-proven collision + cleanup-gate companions.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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