[snimu]

Description

we need to pin regex<2026.4.4 or the CI will always fail, with:

hint: You're using CPython 3.12 (`cp312`), but `regex` (v2026.4.4) only has wheels with the following Python ABI tags: `cp310`, `cp311`

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Test improvement

Testing

• All existing tests pass when running uv run pytest locally.
• New tests have been added to cover the changes

Checklist

• My code follows the style guidelines of this project as outlined in AGENTS.md
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published

Additional Notes

---

Note

Low Risk
Low risk dependency change that only constrains the regex version to avoid CI/install failures on Python 3.12/3.13 due to missing wheels.

Overview
Pins the regex dependency to <2026.4.4 in pyproject.toml to avoid install/CI failures on Python 3.12/3.13 where regex==2026.4.4 lacks compatible wheels.

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