diff --git a/app.py b/app.py
index 801b730..39ffeb8 100644
--- a/app.py
+++ b/app.py
@@ -1129,6 +1129,11 @@ def api_rescan():
 def scan_status():
     with job_lock: return jsonify(jobs)
 
+@app.get("/api/library-status")
+def library_status():
+    with library_cache_lock:
+        return jsonify({"ready": library_cache["ready"], "updated_at": library_cache["updated_at"], "error": library_cache["error"]})
+
 @app.get("/api/downloads")
 def downloads():
     if not SAB_URL or not SAB_API_KEY:
diff --git a/templates/index.html b/templates/index.html
index 7f09278..26c675e 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -100,6 +100,9 @@ const seenRunning={radarr:false,sonarr:false,missing:false};async function poll(
 document.querySelector('#rescan').onclick=async()=>{const b=document.querySelector('#rescan'),source=document.querySelector('#scanSource').value;sessionStorage.setItem('dashboard-active-view',document.querySelector('.nav button.active')?.dataset.view||'dashboard');b.disabled=true;b.textContent='Scan läuft …';await fetch('/api/rescan?source='+source,{method:'POST'});b.disabled=false;b.textContent='↻ Neu scannen';poll()};
 </script>
 <script>
+let lastLibrarySync=0;async function pollLibrarySync(){try{const response=await fetch('/api/library-status',{cache:'no-store'}),data=await response.json();if(!data.ready)return;if(!lastLibrarySync){lastLibrarySync=Number(data.updated_at)||0;return}if(Number(data.updated_at)>lastLibrarySync){lastLibrarySync=Number(data.updated_at);sessionStorage.setItem('dashboard-active-view',document.querySelector('.nav button.active')?.dataset.view||'dashboard');location.reload()}}catch(error){}}pollLibrarySync();setInterval(pollLibrarySync,5000);
+</script>
+<script>
 const scanLabel=document.createElement('label');scanLabel.htmlFor='autoScan';scanLabel.textContent='Automatisches Scanning';const scanHelp=document.createElement('span');scanHelp.className='setting-help';scanHelp.textContent='Bibliotheken werden automatisch geprüft, solange das Dashboard geöffnet ist.';const scanSelect=document.createElement('select');scanSelect.id='autoScan';scanSelect.className='setting-select';[['0','Deaktiviert'],['1800000','Alle 30 Minuten'],['3600000','Jede Stunde'],['7200000','Alle 2 Stunden'],['10800000','Alle 3 Stunden'],['14400000','Alle 4 Stunden'],['18000000','Alle 5 Stunden']].forEach(([value,label])=>{const option=document.createElement('option');option.value=value;option.textContent=label;scanSelect.appendChild(option)});const settingsActions=document.querySelector('.settings-actions');if(settingsActions){settingsActions.before(scanLabel,scanHelp,scanSelect)}
 function configureAutoScan(){}function saveAutoScan(){localStorage.setItem('auto-scan-interval',scanSelect.value)}scanSelect.value=localStorage.getItem('auto-scan-interval')||'0';document.querySelector('#settingsSave').addEventListener('click',saveAutoScan);
 const seasonZeroLabel=document.createElement('label');seasonZeroLabel.className='setting-toggle';seasonZeroLabel.htmlFor='showSeasonZero';seasonZeroLabel.innerHTML='<input type="checkbox" id="showSeasonZero"><span>Staffel 0 anzeigen</span>';const seasonZeroHelp=document.createElement('span');seasonZeroHelp.className='setting-help';seasonZeroHelp.textContent='Gilt für Sonarr und die Liste Ohne Deutsch.';if(settingsActions){settingsActions.before(seasonZeroLabel,seasonZeroHelp)}