Viewerframe Mode Refresh Hot Apr 2026

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

let currentInitId = null;

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

async function activateMode(instanceId, mode) { const initId = Symbol(); currentInitId = initId; // prepare resources await prepareResourcesFor(mode)