Viewerframe Mode Refresh Hot <ORIGINAL>

// atomically set mode in store store.setMode(instanceId, mode);

let currentInitId = null;

function mountViewer() { const unsub = eventBus.subscribe('mode-change', handler); onUnmount(() => unsub()); } Versioned async operations:

async function activateMode(instanceId, mode) { const initId = Symbol(); currentInitId = initId;