Edit a Kubernetes resource from the default editor.
The editor is determined by (in order of precedence):
2. spec.editor from ksail.yaml config
3. KUBE_EDITOR, EDITOR, or VISUAL environment variables
4. Fallback to vim, nano, or vi
ksail workload edit deployment/my-deployment
ksail workload edit --editor "code --wait" deployment/my-deployment
ksail workload edit [flags]
--editor string editor command to use (e.g., 'code --wait', 'vim', 'nano')
--benchmark Show per-activity benchmark output
--config string Path to config file (default: ksail.yaml found via directory traversal)