сохранение состояние между вызовами

src/main.py

@@ -1,8 +1,16 @@
+from contextlib import asynccontextmanager
+
 from fastapi import FastAPI
 
+from src.agent import get_agent_service
 from src.api.external import router as ws_router
 
 
-app = FastAPI()
-app.include_router(ws_router)
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    get_agent_service()
+    yield
 
+
+app = FastAPI(lifespan=lifespan)
+app.include_router(ws_router)