feat; cockpit

frontend/src/hooks/useApi.ts

@@ -140,6 +140,16 @@ export const useAddWatchlistInstrument = () => {
   })
 }
 
+// Instrument Analysis runs on its own separate catalog (backend config/instruments.json,
+// not services.database.instruments_watchlist) — used to gate navigation links so we
+// don't send the user to a 404/error page for a ticker that isn't registered there.
+export const useInstrumentCatalogIds = () =>
+  useQuery({
+    queryKey: ['instrument-analysis-catalog'],
+    queryFn: () => api.get('/instruments/').then(r => new Set((r.data ?? []).map((i: any) => String(i.id).toUpperCase()))),
+    staleTime: 10 * 60_000,
+  })
+
 export const useWatchlistHistory = (ticker: string, period: string) =>
   useQuery({
     queryKey: ['instruments-watchlist-history', ticker, period],