minor changes

src/App.js

@@ -5,7 +5,6 @@ import './App.css';
 import 'react-date-range/dist/styles.css';
 import 'react-date-range/dist/theme/default.css';
 import { formatDateValue, formatRangeLabel } from './utils/dateUtils';
-import { inferLocationLabel } from './utils/locationLabel';
 import useSyncProgress from './hooks/useSyncProgress';
 import useNotificationSettings from './hooks/useNotificationSettings';
 import useConfigManager from './hooks/useConfigManager';
@@ -37,6 +36,7 @@ function App() {
   const [confirmDialog, setConfirmDialog] = useState({ open: false, resolve: null });
   const [notificationPanelOpen, setNotificationPanelOpen] = useState(false);
   const [focusedStoreId, setFocusedStoreId] = useState(null);
+  const [nearestStoreLabel, setNearestStoreLabel] = useState(null);
   const minSelectableDate = useMemo(() => startOfDay(new Date()), []);
 
   const weekdays = ['Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag', 'Sonntag'];
@@ -147,6 +147,51 @@ function App() {
     finishSyncProgress
   });
 
+  useEffect(() => {
+    let aborted = false;
+    async function lookupNearestStore() {
+      if (
+        !authorizedFetch ||
+        !preferences?.location ||
+        !Number.isFinite(preferences.location.lat) ||
+        !Number.isFinite(preferences.location.lon)
+      ) {
+        setNearestStoreLabel(null);
+        return;
+      }
+      try {
+        const params = new URLSearchParams({
+          lat: String(preferences.location.lat),
+          lon: String(preferences.location.lon)
+        });
+        const response = await authorizedFetch(`/api/location/nearest-store?${params.toString()}`);
+        if (!response.ok) {
+          throw new Error(`HTTP ${response.status}`);
+        }
+        const data = await response.json();
+        if (!aborted) {
+          setNearestStoreLabel(
+            data.store
+              ? {
+                  label: data.store.label,
+                  distanceKm: data.store.distanceKm
+                }
+              : null
+          );
+        }
+      } catch (error) {
+        if (!aborted) {
+          setNearestStoreLabel(null);
+          console.error('Standortsuche fehlgeschlagen:', error.message);
+        }
+      }
+    }
+    lookupNearestStore();
+    return () => {
+      aborted = true;
+    };
+  }, [authorizedFetch, preferences?.location?.lat, preferences?.location?.lon]);
+
   const {
     adminSettings,
     adminSettingsLoading,
@@ -595,17 +640,18 @@ function App() {
     if (!preferences?.location) {
       return null;
     }
-    const info = inferLocationLabel(preferences.location, stores);
-    if (!info) {
-      return { ...preferences.location };
+    if (preferences.location.label) {
+      return preferences.location;
     }
-    return {
-      ...preferences.location,
-      label: info.label,
-      labelDistanceKm: info.distanceKm,
-      labelWithinRange: info.withinRange !== false
-    };
-  }, [preferences?.location, stores]);
+    if (nearestStoreLabel) {
+      return {
+        ...preferences.location,
+        label: nearestStoreLabel.label,
+        labelDistanceKm: nearestStoreLabel.distanceKm
+      };
+    }
+    return { ...preferences.location };
+  }, [preferences?.location, nearestStoreLabel]);
 
   const sharedNotificationProps = {
     error: notificationError,