Viewerframe Mode Refresh Hot -

let modeVersion = 0;

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

// finalize finalizeModeActivation(instanceId, mode); } Subscription cleanup: let modeVersion = 0; // atomically set mode in store store

// prepare resources await prepareResourcesFor(mode); if (currentInitId !== initId) return; // stale, abort let modeVersion = 0

const setModeDebounced = debounce((m) => setMode(m), 150); Unique instance IDs:

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

let currentInitId = null;