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/simulation/paths.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+import os
+from pathlib import Path
+
+
+APP_DIR = Path(__file__).resolve().parent.parent
+PROJECT_ROOT = APP_DIR.parent
+
+_configured_data_dir = os.getenv("SIMULATIONAPP_DATA_DIR")
+DATA_DIR = (
+    Path(_configured_data_dir).expanduser().resolve()
+    if _configured_data_dir
+    else APP_DIR / "data"
+)
+
+SIMULATION_RUNS_DIR = DATA_DIR / "simulation-runs"
+SIMULATION_BASELINES_DIR = PROJECT_ROOT / "tests" / "baselines" / "simulation"
+MODELICA_TESTMODEL_RESULT_PATH = (
+    PROJECT_ROOT / "ModelicaModels" / "Simulation" / "Testmodel_res.csv"
+)