Function spawn_status_publisher 

pub fn spawn_status_publisher(
    bus: Arc<EventBus>,
    state: Arc<ArcSwap<ServerState>>,
    conn_count: Arc<AtomicUsize>,
    project: String,
    review_count: Arc<AtomicUsize>,
    mention: MentionHandle,
    ide_buffers: IdeBuffers,
    changed: Arc<Notify>,
    rt: &Handle,
)

Spawn the status publisher task. Wakes on changed (start/stop, a connection open/close, or a buffer (un)registering), rebuilds the content, and republishes it to each registered buffer only when it differs from what that buffer last showed; a removed buffer is cleared (empty content).