pub fn regen_table(t: &EngramTables, layer_idx: usize) -> Vec<f32>Expand description
2026-09-25: The fixture’s fp8 table for layer index layer_idx, regenerated
and dequantised with the golden’s per-block scales (value times scale,
then bf16). [rows * head_dim] f32; exact, since e4m3 times a power of
two is bf16-exact.