NGWPC NWM PI-3 Formulation Selection Delivery 2026-02-25

[cmaynard-ngwpc]

This pull request enhances the EWTS logging framework and LSTM integration, improves unit test workflow reliability, and expands model outputs. It adds the new lstm_ewts package with accompanying unit tests, refines logging consistency and correctness, and updates CI workflows to ensure unit tests install dependencies reliably.

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Additions

• Added the lstm_ewts package, including initial unit tests.
• Introduced precipitation as a new model output variable.
• Added an initialization info-level log message to improve runtime visibility.

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Changes

• Updated unit test GitHub Actions workflows to fix and standardize pip install commands.
• Refactored logging to use a named logger (LOG), replacing direct logger. calls for consistency across EWTS components.
• Fixed debug log statements to correctly use format specifiers.
• Updated code to consistently use the lstm_ewts package where applicable.

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Removals

• None.