feat: add memory settings page

frontend/src/core/memory/hooks.ts

@@ -0,0 +1,11 @@
+import { useQuery } from "@tanstack/react-query";
+
+import { loadMemory } from "./api";
+
+export function useMemory() {
+  const { data, isLoading, error } = useQuery({
+    queryKey: ["memory"],
+    queryFn: () => loadMemory(),
+  });
+  return { memory: data ?? null, isLoading, error };
+}