完善建模交互、组件图标与系统协议

tests/test_amesim_pnvo001_signal_xml.py

@@ -36,6 +36,7 @@ def signal_edge(edge_id: str, source: str, source_port: str, target: str, target
 
 def amesim_pnvo001_signal_project() -> ReactFlowProjectPayload:
     return ReactFlowProjectPayload(
+        projectSchemaVersion=1,
         name="amesim-pnvo001-signal-smoke",
         nodes=[
             component_node(
@@ -90,6 +91,7 @@ def high_pressure_helium_step_project() -> ReactFlowProjectPayload:
         physical_port("port_2", "bidirectional", "right"),
     ]
     return ReactFlowProjectPayload(
+        projectSchemaVersion=1,
         name="amesim-pnvo001-helium-step-regression",
         nodes=[
             component_node(