Centered 404 page showing the failed path in mono, three reasons a workspace link goes stale, and search or dashboard as recovery actions.
Error boundary card
In-place panel fallback showing a mono error reference, a section-scoped retry button, and confirmation that the rest of the page is unaffected.

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Browse Application UI

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Pending-access gate naming the reviewer with avatar and ETA, plus a list of surfaces the user can reach in the meantime.

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The dashboard before data, zeroed KPIs and the five minute fill promise.

Payment failed billing gate showing the card on file, the exact decline code, a three attempt retry schedule, and update and retry actions.
