improved logging

python_app/webui/app.py

@@ -10,6 +10,7 @@ static single-page frontend is mounted at ``/`` and the JSON/WS API under
 from __future__ import annotations
 
 from contextlib import asynccontextmanager
+import logging
 from pathlib import Path
 
 from fastapi import FastAPI
@@ -19,6 +20,8 @@ from python_app.webui.controller import WebController
 from python_app.webui.routes import router
 from python_app.webui.streaming import RingBroadcaster
 
+logger = logging.getLogger(__name__)
+
 _STATIC_DIR = Path(__file__).resolve().parent / "static"
 
 
@@ -31,10 +34,12 @@ def create_app(controller: WebController) -> FastAPI:
         app.state.controller = controller
         app.state.broadcaster = broadcaster
         broadcaster.start()
+        logger.info("Web UI application started")
         try:
             yield
         finally:
             await broadcaster.stop()
+            logger.info("Web UI application stopped")
 
     app = FastAPI(title="Radar Web UI", lifespan=lifespan)
     app.include_router(router)