phenotypic.sdk_.tune_cache_splits_dir

phenotypic.sdk_.tune_cache_splits_dir(output_dir: Path) → Path

Return <output>/.pht-tune-cache/splits/ — the held-out split folder.

Machine state that must survive a fresh-master rewrite and gate resume, so it lives in the hidden tune cache, not under deliverables_dir(). Pure path expression; callers mkdir when they intend to write.

Parameters:

output_dir (Path) – The run output directory.

Returns:

<output_dir>/.pht-tune-cache/splits/.

Return type:

Path