Function ptx_for_exact_target 

pub fn ptx_for_exact_target(model: &str, quant: &str) -> Option<TargetPtxSet>

The compiled target with exactly this (model, quant) identity.

For consumers that already KNOW the resolved target (the dashboard’s kernel table re-reads the target serve selected and published) — an exact lookup cannot re-introduce the ambiguity ptx_for_config just resolved.