Method publish_sandbox_snapshot

crates/openshell-driver-docker/src/lib.rs:1162–1170

(&self, sandbox: DriverSandbox)

    }

    fn publish_sandbox_snapshot(&self, sandbox: DriverSandbox) {
        let _ = self.events.send(WatchSandboxesEvent {
            payload: Some(watch_sandboxes_event::Payload::Sandbox(
                WatchSandboxesSandboxEvent {
                    sandbox: Some(sandbox),
                },
            )),
        });
    }

    fn publish_deleted(&self, sandbox_id: String) {
        let _ = self.events.send(WatchSandboxesEvent {