Vouch request: andre-motta

[andre-motta]

What do you want to work on?

I want to fix #2596

Why this change?

Building openshell python wheel from an sdist currently produces a broken package. The protobuf stubs under _proto/ are currently gitignored and generated at build time by a a mise task. This step is only wired through mise's task graph and not through the standard PEP 517 build system. Any standard build frontend (pip, build, fromager) that starts from an sdist will produce a wheel where import openshell._proto hard fails with an ImportError.

This matters for downstream rebuilders and any packaging pipeline that does not replicate the specific mise workflow. Any of the three fix options from the issue are aditive so they would have zero impact on the mise python:proto task. They will get generated twice when using mise but thats harmless since protoc overwrites the same files.

Checklist

• I wrote this request myself (not AI-generated)
• I have read CONTRIBUTING.md

[mrunalp]

/vouch

[github-actions[bot]]

@andre-motta has been vouched by @mrunalp.

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