Refactor model emit, and recent conn dropdown

src-web/hooks/useLatestHttpResponse.ts

@@ -0,0 +1,7 @@
+import type { HttpResponse } from '../lib/models';
+import { useHttpResponses } from './useHttpResponses';
+
+export function useLatestHttpResponse(requestId: string | null): HttpResponse | null {
+  const responses = useHttpResponses(requestId);
+  return responses[0] ?? null;
+}