完善建模交互、组件图标与系统协议

tests/test_amesim_helium_step_long_run.py

@@ -54,6 +54,7 @@ def helium_step_equalization_project() -> ReactFlowProjectPayload:
     """Programmatic form of the user XML that failed at the 3.04 s sample."""
 
     return ReactFlowProjectPayload(
+        projectSchemaVersion=1,
         name="amesim-helium-step-equalization-regression",
         nodes=[
             component_node(