50c4e910ed
---ci--- project: orca phase: 14 milestone: v0.12 status: execute ---/ci--- orca secrets rotate-master: generates new master key, re-encrypts all namespace secrets under new key, saves new key. --dry-run reports affected namespaces. Atomic per-namespace; automatic rollback to old key on any failure (C-30). Fixed unused nsKey in get+list (pre-existing vet issue). Build + vet + tests green.