Marko Djordjevic 4c7b3f2676 fix(ml): detect all-NaN volume column (not just missing column) ... The Pydantic model sets volume=None when absent, creating an all-NaN column rather than a missing column. Check isna().all() in addition to column existence.		2026-02-15 21:58:16 +01:00
..
ml	fix(ml): detect all-NaN volume column (not just missing column)	2026-02-15 21:58:16 +01:00