memory settings implementation

packages/chat-client/src/hooks/useSettings.js

@@ -0,0 +1,25 @@
+import { useState, useEffect } from 'react';
+import { getSettings, updateSettings } from '../api/orchestration';
+
+export function useSettings() {
+  const [settings, setSettings] = useState(null);
+  const [saving, setSaving] = useState(false);
+
+  useEffect(() => {
+    getSettings().then(setSettings).catch(console.error);
+  }, []);
+
+  async function saveSetting(key, value) {
+    setSaving(true);
+    try {
+      const updated = await updateSettings({ [key]: value });
+      setSettings(updated);
+    } catch (err) {
+      console.error('[useSettings] Save failed:', err.message);
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return { settings, saveSetting, saving };
+}