Tests
=====

Backend (pytest)
----------------

::

   pytest backend/tests/
   pytest backend/tests/test_api.py
   pytest backend/tests/test_api.py::test_fn

Frontend (vitest)
-----------------

::

   cd frontend
   npm run test
   npm run test:coverage

Recommendations
---------------

- Add at least one regression test for each fix.
- Cover critical API paths (documents, compute, variables).

.. important::

   When a defect is fixed, add the regression test in the same change set to protect the behavior in CI.