公开PNRP17并接通实时气动机械耦合

app/simulation/core/base.py

@@ -204,6 +204,16 @@ class Component(ABC):
 
         return None
 
+    def pneumatic_volume_outputs(self) -> Mapping[str, tuple[float, float]]:
+        """Return directed ``volume``/``volume_flow`` values by pneumatic port.
+
+        Most pneumatic components contribute no external chamber volume. Moving
+        boundaries such as PNRP17 override this hook; the network resolver then
+        propagates the pair to the component connected at the same physical port.
+        """
+
+        return {}
+
 
 class DynamicComponent(Component):
     state_size = 2