The isNotCreatedInTheFutureRule has zero tolerance, causing the
browser extension to fail when generating a metadata key if the
browser clock is even 1 second ahead of the server. Patching
isDateInFuture to allow 300 seconds tolerance and mounting the
file as a read-only volume so the fix survives image updates.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
