feat(dashboard): route conversations and media

apps/dashboard/src/features/conversations/conversation-route.tsx

@@ -0,0 +1,22 @@
+import { useNavigate, useParams } from 'react-router-dom';
+import { ConversationsPage } from './conversations-page.js';
+
+export function ConversationRoute() {
+  const navigate = useNavigate();
+  const { conversationId } = useParams<{ conversationId: string }>();
+
+  function selectConversation(nextConversationId: string | null) {
+    void navigate(
+      nextConversationId
+        ? `/conversations/${encodeURIComponent(nextConversationId)}`
+        : '/conversations',
+    );
+  }
+
+  return (
+    <ConversationsPage
+      selectedConversationId={conversationId ?? null}
+      onSelectedConversationChange={selectConversation}
+    />
+  );
+}