调整api结构；恢复丢失部分api，详见scripts文件夹；新增关阀分析算法，实现api

app/services/__init__.py

@@ -9,6 +9,7 @@ from app.services.scheme_management import (
     upload_shp_to_pg,
     submit_risk_probability_result,
 )
+from app.services.valve_isolation import analyze_valve_isolation
 from app.services.simulation_ops import (
     project_management,
     scheduling_simulation,
@@ -29,4 +30,5 @@ __all__ = [
     "project_management",
     "scheduling_simulation",
     "daily_scheduling_simulation",
+    "analyze_valve_isolation",
 ]