feat: rename 'model' to 'model_name'

frontend/src/core/api/api-client.ts

@@ -0,0 +1,17 @@
+"use client";
+
+import { Client as LangGraphClient } from "@langchain/langgraph-sdk/client";
+
+let _singleton: LangGraphClient | null = null;
+export function getAPIClient(): LangGraphClient {
+  let url: URL | null = null;
+  if (typeof window === "undefined") {
+    url = new URL("/api/langgraph", "http://localhost:3000");
+  } else {
+    url = new URL("/api/langgraph", window.location.origin);
+  }
+  _singleton ??= new LangGraphClient({
+    apiUrl: "http://localhost:2024",
+  });
+  return _singleton;
+}