增加可选性能埋点并完成物性效率评估

app/system_xml.py

@@ -10,6 +10,7 @@ from typing import Literal
 from lxml import etree
 
 from app.simulation.core.ports import PortDefinition
+from app.simulation.performance import profile_phase
 from app.simulation.registry import COMPONENT_MODEL_REGISTRY, ParameterSpec
 from app.simulation.solvers.solver import SolveIVPConfig
 from app.simulation.systems.generic import (
@@ -191,6 +192,7 @@ class SystemXmlValidationReport:
         return result
 
 
+@profile_phase("simulation.xml_validation")
 def validate_system_xml_document(source: bytes | str) -> SystemXmlValidationReport:
     xml_bytes = source.encode("utf-8") if isinstance(source, str) else source
     if not xml_bytes.strip():