add les 12

Les11-AI-SDK/page.tsx

@@ -0,0 +1,68 @@
+/**
+ * Polderfest 2027 — chat pagina
+ * --------------------------------------------------
+ * Les 11 — useChat hook + Tailwind chat UI.
+ * Plaats dit bestand op: app/chat/page.tsx
+ *
+ * Werking:
+ *   - useChat() regelt messages, input, submit-handler, streaming
+ *   - Praat met /api/chat (de route.ts)
+ *   - Disabled tijdens streaming
+ *
+ * Vereist:
+ *   - app/api/chat/route.ts (zie route.ts)
+ *   - npm i ai
+ *   - Tailwind aanwezig in project (standaard in create-next-app)
+ */
+
+"use client";
+
+import { useChat } from "ai/react";
+
+export default function ChatPage() {
+  const { messages, input, handleInputChange, handleSubmit, status } =
+    useChat();
+
+  return (
+    <main className="max-w-2xl mx-auto p-6 flex flex-col h-screen">
+      <h1 className="text-2xl font-bold mb-4">
+        Polderfest 2027 — vraag de AI
+      </h1>
+
+      <div className="flex-1 overflow-y-auto space-y-4 mb-4">
+        {messages.map((m) => (
+          <div
+            key={m.id}
+            className={
+              m.role === "user"
+                ? "bg-blue-50 p-3 rounded-lg ml-12"
+                : "bg-gray-50 p-3 rounded-lg mr-12"
+            }
+          >
+            <div className="font-medium text-sm text-gray-500 mb-1">
+              {m.role === "user" ? "Jij" : "Festival AI"}
+            </div>
+            <div className="whitespace-pre-wrap">{m.content}</div>
+          </div>
+        ))}
+      </div>
+
+      <form onSubmit={handleSubmit} className="flex gap-2">
+        <input
+          value={input}
+          onChange={handleInputChange}
+          placeholder="Stel een vraag over de line-up..."
+          className="flex-1 p-3 border rounded-lg"
+          disabled={status !== "ready"}
+        />
+        <button
+          type="submit"
+          disabled={status !== "ready"}
+          className="px-6 py-3 bg-blue-600 text-white rounded-lg disabled:opacity-50"
+        >
+          Stuur
+        </button>
+      </form>
+    </main>
+  );
+}