The local entries mutation now runs synchronously at the top of
.task, before any Task {} or await:
1. vm.entries[idx].status = "read" ← synchronous, immediate
2. currentEntry syncs from mutated array ← immediate
3. Task { api.markEntries + getCounters } ← background
4. await getEntry ← content fetch, merge preserves local status
Previously markAsRead was wrapped in Task {} (fire-and-forget),
which SCHEDULED the mutation but didn't execute it until the main
actor yielded. Line 2 read stale state because the mutation hadn't
run yet.
Now the @Observable array mutation happens before any async work,
so the ForEach row re-renders on the same run loop — the list
shows "read" even during the push animation.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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