useSession now exposes a refreshSessions() callback that fetches
/api/sessions?refresh=1. The sessions route checks for the refresh
query parameter and resets the cache timestamp to zero, forcing a
fresh scan of ~/.claude/projects/ on the next request.
This enables users to pick up new sessions without restarting the
server or waiting for the 30-second cache to expire.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
teernisse
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