前端进度条性能优化、仿真结束后后处理优化；后端C代码生成流程优化：先识别来源，再按照已知未知量需求排序，最后局部求解

app/simulation/registry.py

@@ -24,6 +24,7 @@ from app.simulation.core.metadata import (
 )
 from app.simulation.core.medium import GasMedium, IdealGasMedium
 from app.simulation.core.ports import PortDefinition, PortVariableDefinition
+from app.simulation.core.port_computation import PortComputation
 
 
 ParameterSpec = ParameterDefinition
@@ -877,8 +878,18 @@ def validate_component_model_class(
             f"Component '{model_type}' RESULT_VARIABLES must be a tuple."
         )
 
+    port_by_name = {port.name: port for port in ports if isinstance(port, PortDefinition)}
     for port in ports:
         _validate_port(port, model_type=model_type)
+        contract = port.computation
+        if contract is not None:
+            if port.domain != 'pneumatic' or not isinstance(contract, PortComputation):
+                raise ValueError(f"Component '{model_type}' has an invalid pneumatic computation contract.")
+            if contract.reference_port:
+                reference = port_by_name.get(contract.reference_port)
+                if (reference is None or reference.computation is None
+                        or not {'p', 'T'}.issubset(reference.computation.inputs)):
+                    raise ValueError(f"Component '{model_type}.{port.name}' must alias a pressure/temperature input port.")
     for parameter in parameters:
         _validate_parameter(parameter, model_type=model_type)
     for variable in result_variables: