feat(chat): created basic chat layout

src/components/ui/ChatWindow.jsx

@@ -0,0 +1,28 @@
+import React from "react";
+
+function MessageBubble({ message }) {
+  const isUser = message.role === "user";
+  return (
+    <div
+      className={`flex ${isUser ? "justify-end" : "justify-start"} px-4 py-2`}
+    >
+      <div
+        className={`max-w-[70%] p-3 rounded-lg ${isUser ? "bg-indigo-600 text-white" : "bg-slate-700 text-slate-100"}`}
+      >
+        <div className="text-sm">{message.content}</div>
+      </div>
+    </div>
+  );
+}
+
+export default function ChatWindow({ messages }) {
+  return (
+    <main className="flex-1 overflow-auto p-2 bg-gradient-to-b from-slate-900 to-slate-800">
+      <div className="space-y-2">
+        {messages.map((m, i) => (
+          <MessageBubble key={i} message={m} />
+        ))}
+      </div>
+    </main>
+  );
+}