chat client clean up and switch to llama.cpp with models folder network sharing

packages/chat-client/src/App.jsx

@@ -10,7 +10,7 @@ import { DEFAULT_MODEL } from './config/constants';
 export default function App() {
   const [leftOpen, setLeftOpen] = useState(true);
   const [rightOpen, setRightOpen] = useState(true);
-  const [selectedModel, setSelectedModel] = useState(DEFAULT_MODEL);
+  const { models, selectedModel, setSelectedModel } = useModels();
 
   const {
     sessions,
@@ -64,10 +64,12 @@ export default function App() {
         isOpen={rightOpen}
         onToggle={() => setRightOpen(o => !o)}
         activeSession={activeSession}
+        models={models}
         selectedModel={selectedModel}
         onModelChange={setSelectedModel}
         lastModel={lastModel}
         lastTokenCount={lastTokenCount}
+
       />
     </div>
   );