chore: sync project state and current artifacts

crates/solver/src/coupling.rs

@@ -19,13 +19,11 @@
 //! Circular dependencies occur when circuits mutually heat each other (A→B and B→A).
 //! Circuits in circular dependencies must be solved simultaneously by the solver.
 
-use entropyk_core::{Temperature, ThermalConductance};
+use entropyk_core::{CircuitId, Temperature, ThermalConductance};
 use petgraph::algo::{is_cyclic_directed, kosaraju_scc};
 use petgraph::graph::{DiGraph, NodeIndex};
 use std::collections::HashMap;
 
-use crate::system::CircuitId;
-
 /// Thermal coupling between two circuits via a heat exchanger.
 ///
 /// Heat flows from `hot_circuit` to `cold_circuit` proportional to the
@@ -232,7 +230,7 @@ mod tests {
     use super::*;
     use approx::assert_relative_eq;
 
-    fn make_coupling(hot: u8, cold: u8, ua_w_per_k: f64) -> ThermalCoupling {
+    fn make_coupling(hot: u16, cold: u16, ua_w_per_k: f64) -> ThermalCoupling {
         ThermalCoupling::new(
             CircuitId(hot),
             CircuitId(cold),