规范仿真模型库并完善前端交互

归档仿真模型并补充组件目录、建模规范与校验。

完善控制台、默认节点、视图适配及前端自动化测试。

app/main.py

@@ -28,8 +28,8 @@ from app.system_xml import (
 )
 
 if TYPE_CHECKING:
-    from PythonModels.core.network import SimulationNetwork
-    from PythonModels.core.ports import PortDefinition
+    from app.simulation.core.ports import PortDefinition
+    from app.simulation.systems.network import SimulationNetwork
 
 
 app = FastAPI(title="System Simulation ReactFlow App")
@@ -231,6 +231,13 @@ def frontend_asset(path: str) -> FileResponse:
     return FileResponse(asset_path)
 
 
+@app.get("/api/components/catalog")
+def get_component_catalog() -> dict[str, object]:
+    from app.simulation.registry import build_component_catalog
+
+    return build_component_catalog()
+
+
 @app.post("/api/reactflow/system-xml")
 def export_reactflow_system_xml(payload: ReactFlowProjectPayload) -> Response:
     try:
@@ -572,10 +579,10 @@ def run_system_xml_simulation(
     progress_callback: SimulationProgressEmitter | None = None,
     cancel_check: Callable[[], bool] | None = None,
 ) -> dict[str, object]:
-    from PythonModels.core.algebraic import AlgebraicSolveError
-    from PythonModels.core.solver import SolveIVPConfig
-    from PythonModels.core.stream import StreamSolveError
-    from PythonModels.systems.generic import (
+    from app.simulation.solvers.algebraic import AlgebraicSolveError
+    from app.simulation.solvers.solver import SolveIVPConfig
+    from app.simulation.solvers.stream import StreamSolveError
+    from app.simulation.systems.generic import (
         GenericFluidSystem,
         SimulationPreparationError,
     )
@@ -1071,9 +1078,9 @@ def validate_compatible_ports(
 
 
 def compile_reactflow_network(project: ReactFlowProjectPayload) -> "SimulationNetwork":
-    from PythonModels.core.medium import IdealGasMedium
-    from PythonModels.core.network import SimulationNetwork
-    from PythonModels.registry import get_component_model_spec
+    from app.simulation.core.medium import IdealGasMedium
+    from app.simulation.registry import get_component_model_spec
+    from app.simulation.systems.network import SimulationNetwork
 
     medium = IdealGasMedium()
     network = SimulationNetwork(name=project.name)
@@ -1156,14 +1163,13 @@ def sanitize_project_id(project_id: str) -> str:
 
 
 def run_reactflow_testmodel(project: ReactFlowProjectPayload) -> dict[str, object]:
-    from PythonModels.core.solver import SolveIVPConfig
-    from PythonModels.scripts.run_testmodel import (
+    from app.simulation.examples.testmodel.run import (
         TestModelExecutionConfig,
         TestModelRunConfig,
         TestModelSamplingConfig,
         run_testmodel,
     )
-    from PythonModels.systems.testmodel import (
+    from app.simulation.examples.testmodel.system import (
         BranchConfig,
         CylinderConfig,
         OrificeConfig,
@@ -1171,6 +1177,7 @@ def run_reactflow_testmodel(project: ReactFlowProjectPayload) -> dict[str, objec
         TankConfig,
         TestModelConfig,
     )
+    from app.simulation.solvers.solver import SolveIVPConfig
 
     nodes_by_type: dict[str, list[ReactFlowNodePayload]] = {}
     for node in project.nodes: