Function parse_resource_ref 

pub fn parse_resource_ref(
    reference: &str,
) -> Result<(ResourceKind, &str), ContextError>

Parse a resource reference like “deployment/myapp” into (kind, name)

Supports kubectl-style aliases:

• deployment, deploy → Deployment
• pod, po → Pod
• service, svc → Service
• statefulset, sts → StatefulSet
• daemonset, ds → DaemonSet

Errors

Returns ContextError::InvalidResourceRef if the reference format is invalid.