- Hero blur fix: brief enrichment now prefers a page's og:image even when a
feed thumbnail exists (feed thumbs are often tiny; the hero is shown large).
Verified: BBC hero upgrades to the 1024px share image, ScienceDaily to 1920px.
- Today is now 'Highlights from Today' — hero + 6 (brief size 7), which also
makes the secondary grid a balanced 3+3 instead of an orphaned 3+1.
- Replace now excludes every article seen this session (a client-side seen-set),
so it never cycles back to something already shown.
- New session History panel (this tab only, no account): lists everything seen,
including swapped-away stories, so they stay recoverable. Persistent
history/favorites are tabled for sign-in later.
Tests: og:image upgrade of an existing feed image (86 total).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
thejayman77
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