Caddy named every span ipx-web, so Tempo's lists and trace view showed the
same name for each request. Caddy 2.11 takes placeholders in the span name:
now the method and path, as ipx names its own. The prod check's span list
shows a span's url.path when it has no route.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>