Allows callers to override container images during restart, e.g.:
laconic-so deployment restart --image backend=ghcr.io/org/app:sha123
The override is applied to the k8s Deployment spec before
create-or-patch. Docker/compose deployers accept the parameter
but ignore it.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>