chore: initial project import

app/agent/contacts/[contactId]/page.tsx

@@ -0,0 +1,13 @@
+import { ShellPage } from "@/components/page-templates";
+import { SectionCard } from "@/components/ui";
+
+export default function AgentContactDetailPage() {
+  return (
+    <ShellPage shell="agent" title="Contact Detail" description="Identity, tags, dan previous chats untuk agent.">
+      <div className="grid gap-6 xl:grid-cols-2">
+        <SectionCard title="Identity">Nama, nomor WhatsApp, tags.</SectionCard>
+        <SectionCard title="Previous chats">Riwayat ringkas conversation.</SectionCard>
+      </div>
+    </ShellPage>
+  );
+}