增加可选性能埋点并完成物性效率评估

app/simulation/solvers/signal.py

@@ -4,6 +4,7 @@ from dataclasses import dataclass
 from math import isfinite
 from typing import Protocol
 
+from app.simulation.performance import profile_phase
 from app.simulation.systems.network import Endpoint, SimulationNetwork
 
 
@@ -47,6 +48,7 @@ class SignalResolver:
         ]
         self.last_diagnostics: SignalSolveDiagnostics | None = None
 
+    @profile_phase("simulation.signal", minimum_mode="audit")
     def solve(self, time: float) -> SignalSolveDiagnostics:
         for component in self.network.components.values():
             signal_output_values = getattr(component, "signal_output_values", None)