fix: backend-startlog immer sichtbar (eigener handler)

backend/app/main.py

@@ -7,6 +7,11 @@ from app.core import settings
 from app.api import search, downloads, history, config, files, artist, album, playlist, discover, podcast
 
 logger = logging.getLogger("streamrip-ui")
+logger.setLevel(logging.INFO)
+if not logger.handlers:
+    _handler = logging.StreamHandler()
+    _handler.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
+    logger.addHandler(_handler)
 
 
 @asynccontextmanager