GitHub's repository page is JS-rendered, so curl gets a skeleton without
README images. Use the rendered README API endpoint instead, which returns
actual HTML including camo-proxied image URLs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
With pipefail enabled, grep exiting 1 on no matches fails the step.
Add xargs -r and || true so the purge is best-effort only.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
