The check I added for `?template=` links read README.md unconditionally, and the
image build is the one place that runs this suite without it: `.dockerignore`
omits the README along with docs/ and AGENTS.md, so that editing a doc does not
invalidate the layer that installs, typechecks, tests and builds. `.github/` is
copied in for the opposite reason, which is why every other check in the file
ran there fine.
So this failed in a way CI could not see — the check job has the whole
repository and stayed green, while the container build went red on a file that
context leaves out on purpose. Skipping it there keeps the gate honest about
what it can actually inspect; the assertion still runs in CI and locally, which
is where a README link is edited in the first place.
Verified by running the suite inside the build stage: 516 pass, 1 skip, 0 fail,
against 517 pass and no skips in the full tree.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
