feat: Rename to Agent Chat UI

src/providers/Stream.tsx

@@ -101,11 +101,11 @@ export const StreamProvider: React.FC<{ children: ReactNode }> = ({
             <div className="flex items-start flex-col gap-2">
               <LangGraphLogoSVG className="h-7" />
               <h1 className="text-xl font-semibold tracking-tight">
-                Chat LangGraph
+                Agent Chat
               </h1>
             </div>
             <p className="text-muted-foreground">
-              Welcome to Chat LangGraph! Before you get started, you need to
+              Welcome to Agent Chat! Before you get started, you need to
               enter the URL of the deployment and the assistant / graph ID.
             </p>
           </div>