Add CommandGroupResponse and ConfigUpdateResponse types. Switch
useSendGroupCommand and useSendRouteCommand from openapi-fetch to authFetch
returning CommandGroupResponse. Update useUpdateApplicationConfig to return
ConfigUpdateResponse and fix all consumer onSuccess callbacks to access
saved.config.version instead of saved.version.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>