验收四路模型并优化拓扑求解性能

app/simulation/core/equations.py

@@ -10,7 +10,7 @@ EquationOwner = Literal["connection", "component"]
 EquationRelation = Literal["equal", "sumToZero", "constitutive", "state"]
 
 
-@dataclass(frozen=True)
+@dataclass(frozen=True, slots=True)
 class EquationResidual:
     """One executable scalar equation in the pressure-flow subsystem."""