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

packages/chat-client/src/api/orchestration.js

@@ -79,4 +79,10 @@ export function streamMessage(sessionId, message, model, { onChunk, onDone, onEr
   })();
 
   return () => controller.abort();
+}
+
+export async function fetchModels() {
+  const res = await fetch(`{BASE_URL}/models`);
+  if(!res.ok) throw new Error(`Failted to fetch models: ${res.status}`);
+  return res.json();
 }