M39: harden application and acceptance gates

frontend/src/pages/Dashboard.tsx

@@ -61,6 +61,7 @@ export function Dashboard() {
     }
     // Only ever react to the initial `?guide=start` marker set by the login screen's
     // "Start begeleide demo" CTA, so this intentionally runs once on mount.
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
   const [data, setData] = useState<DashboardData | null>(null);
   const [knowledge, setKnowledge] = useState<KnowledgeHealth | null>(null);
@@ -72,7 +73,7 @@ export function Dashboard() {
   useEffect(() => {
     api.get<DashboardData>("/api/v1/dashboard").then(setData).catch(() => setError(t("common:status.error")));
     api.get<KnowledgeHealth>("/api/v1/knowledge/status").then(setKnowledge).catch(() => setKnowledge(null));
-  }, []);
+  }, [t]);
 
   useEffect(() => {
     if (!canSeeAutomation) return;