- Set HTTP_REFERER in cancel action specs so they test the redirect to
the actual order page (not the cancel path, which was the implicit
referer in controller specs)
- Keep response.body match pattern (consistent with checkout_controller_spec
for CableReady redirects — redirect_to matcher does not work here since
the cancel action uses cable_car.redirect_to, not a Rails redirect)
- Remove doc/demo screenshots; images to be added to PR description instead
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Before/after screenshots showing the fix works end-to-end:
- step1: guest order confirmed, Cancel Order button visible
- step2: same page after cancellation, order shows Cancelled
These can be removed after the PR is reviewed and merged.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>