refactor(lst): refactor to monolithic completed

frontend/src/lib/hooks/useLogout.ts

@@ -0,0 +1,12 @@
+import {useSessionStore} from "../store/sessionStore";
+
+export const useLogout = () => {
+    const clearSession = useSessionStore((state) => state.clearSession);
+
+    const logout = () => {
+        clearSession(); // Clears Zustand state
+        return "Logged out";
+    };
+
+    return logout;
+};