_defaults

cultivars.engine._core._defaults = <module 'cultivars.engine._core._defaults' from '/home/runner/work/cultivars/cultivars/src/cultivars/engine/_core/_defaults.py'>

Package-wide numeric constants and estimator defaults.

Every magic number in the package resolves here. Constants are private by naming convention (leading underscore) because they are implementation detail: changing one changes fitted output, so they are not public API.