Persisting only 'dismissed' kept swapped-away stories out but let the brief
recompose on refresh — so a chosen replacement (and the hero) could change
unexpectedly. Now the reader's actual brief view is persisted per day:
- loadToday keeps the saved view for the same brief_date (swaps and hero hold
steady); re-fetches fresh on a new day or when forced.
- A boundary change forces a fresh re-fetch (and re-pins); Replace pins the new
view; Clear-session drops the pin so it re-composes fresh.
Frontend only — rebuild + refresh (no server restart needed).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
thejayman77
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