Per Codex. A branded recovery card in app.html shows if the app hasn't mounted
in 7s, or on a pre-mount JS error/unhandledrejection — with a "Refresh Upbeat
Bytes" button. A chunk/preload failure (vite:preloadError) reloads once
(sessionStorage-guarded). +layout calls window.__ubBooted() on mount to clear
the card + timer. A pre-mount failure also fires a tiny anonymous client_error
beacon; the admin Overview now shows "Load errors today" (red if >0) so we can
see if blank-risk is happening in the wild.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
thejayman77
9e387a0a09