Remove cdo/python-cdo from fre-cli, add xarray time averager#830

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copilot/deprecate-cdo-python-cdo-use

Commits on Apr 7, 2026

deprecate cdo/python-cdo: replace CDO usage with xarray, add deprecation warnings, remove from required deps

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revert unrelated JSON file changes

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address code review: use xarray .dt accessor and context managers

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remove CDO, add xarray averager, rename frepytools to NumpyTimeAverager, update tests and pylintrc

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fix: handle non-numeric vars and cftime time_bnds in xarrayTimeAverager weighted average

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test: add comprehensive unit tests for xarrayTimeAverager and add weighted seas/month parametrized cases

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test: address code review — rename bnds_dtype → time_bnds_encoding, fix docstring

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Commits on Apr 9, 2026

fix: NumpyTimeAverager now handles arbitrary dimensions (scalar, 3D, 4D variables)

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Commits on Apr 10, 2026