pub fn instance_for(checkpoint: &str, target: &str) -> Result<Instance>Expand description
2026-09-28: The instance whose checkpoint and kernel target are these. Several recipes may
serve one checkpoint on one target; they must then agree on the circuit and the precision
source, the only parts the executor takes from an instance (the policy, and 2026-09-30 a
policy precision’s tier and kernel capabilities, are read live: CircuitExec::build).