fixes and improvements

backend/src/media_library_viewer_api/routers/dashboard.py

@@ -43,7 +43,7 @@ def get_monitoring_overview(
     store=Depends(get_settings_store),
 ) -> dict[str, Any]:
     """Return one lightweight monitoring row per configured machine."""
-    machines = store.list_machines()
+    machines = [m for m in store.list_machines() if m.get("enabled")]
     rows: list[dict[str, Any]] = []
     for machine in machines:
         try: