Function mtp_state_slots_with 

pub fn mtp_state_slots_with(
    max_batch_size: usize,
    spec_dispatch_cap: usize,
    full_width: bool,
) -> usize

2026-09-25: Env-free core of mtp_state_slots. The MTP_STATE_SLOTS_FLOOR (32) covers every slot when max_batch_size is at most 32, also when METRALE_NO_MTP_K_LADDER lowers the dispatch cap to 4.