pub fn row_batch_max() -> usize
2026-09-25: Widest sub-group of the row-batched routed path: METRALE_GLM_MOE_ROW_BATCH_MAX, default MOE_ROW_BATCH_MAX_ROWS, clamped to 1..=MOE_ROW_BATCH_MAX_ROWS. Read once.
METRALE_GLM_MOE_ROW_BATCH_MAX
MOE_ROW_BATCH_MAX_ROWS
1..=MOE_ROW_BATCH_MAX_ROWS