* ci: skip pytest smoke on documentation-only changes
Adding paths-ignore for **.md and docs/** so that PRs that touch only
markdown files do not trigger the full pytest suite. Runner minutes are
spent only when Python or config files change.
Closes#2646.
* ci: detect docs-only changes inside the job instead of paths-ignore
Previously paths-ignore on the pull_request trigger caused the entire
workflow to be skipped, which can leave required checks pending and block
merging. Instead, keep the workflow always-triggered and detect docs-only
changes inside python-tests with a git diff step; if every changed file
is a .md or docs/ path, the step reports success without running pytest.
The syntax jobs (python-syntax, node-syntax) are cheap enough to always run.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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