Make ensureWorkerRunning async with health checks

Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

src/hooks/summary-hook.ts

@@ -26,7 +26,7 @@ async function summaryHook(input?: StopInput): Promise<void> {
   const { session_id } = input;
 
   // Ensure worker is running
-  ensureWorkerRunning();
+  await ensureWorkerRunning();
 
   const db = new SessionStore();