Tests fail with `ModuleNotFoundError: No module named 'click'` on fresh `pdm install`

[splch]

Describe the bug

end_to_end_tests/functional_tests/helpers.py does from click.testing import Result, but click isn't declared in pyproject.toml. It used to come in transitively via typer. Typer 0.26.0 vendored click and dropped the dependency, so since #1440 raised the typer cap to <0.27, fresh resolutions don't install click and pytest fails at collection.

main is green only because the workflow's restore-keys cache fallback reuses older .venvs that still have click. Any PR that changes the pdm.lock hash will surface this.

OpenAPI Spec File

N/A — CI / dev-environment bug, not a generator bug.

Additional context

Fix: add click to dev deps in pyproject.toml and pdm lock.