/discover felt "stale until I hit Discover now": it showed the result string but
never WHEN the sweep last ran, and "Discovering…" ended the moment the worker
claimed the request (requested→false) rather than when the sweep finished.
- /api/discover/run GET now also returns `inProgress` (discover.inProgress) and
`lastRunAt` (the discover.result Config row's updatedAt = last completion).
- The client treats requested||inProgress as "running", so "Discovering…"
persists for the whole sweep, and polls until both clear before refreshing.
- The tool row shows "Last discovered {N ago} · {result}", a sweeping message
while running, and a clear "Not yet run" empty state.
web 151 tests (inProgress + lastRunAt asserted), tsc + build clean. No worker
change (signals already written); NOT a page cache (would worsen staleness).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Jonathan
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