完善 drawio 建模界面与仿真模型集成

PythonModels/core/ports.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+
+@dataclass
+class PortState:
+    """Python-side analogue of a Modelica fluid port."""
+
+    p: float = 0.0
+    m_flow: float = 0.0
+    h_outflow: float = 0.0
+