Function validate_vm_sandbox

crates/openshell-driver-vm/src/driver.rs:3140–3154

(sandbox: &Sandbox, gpu_enabled: bool)

// gRPC API surface, so boxing here would diverge from every other handler.
#[allow(clippy::result_large_err)]
fn validate_vm_sandbox(sandbox: &Sandbox, gpu_enabled: bool) -> Result<(), Status> {
    validate_sandbox_id(&sandbox.id)?;

    let spec = sandbox
        .spec
        .as_ref()
        .ok_or_else(|| Status::invalid_argument("sandbox spec is required"))?;

    if let Some(template) = spec.template.as_ref() {
        validate_vm_sandbox_template(template)?;
    }
    validate_gpu_request(sandbox, gpu_enabled)?;

    Ok(())
}

#[allow(clippy::result_large_err)]
fn validate_vm_sandbox_template(template: &SandboxTemplate) -> Result<(), Status> {