feat: Media Streaming - Admin Cache-Clear Button pro Anbieter

frontend/src/tools/media.jsx

@@ -459,6 +459,28 @@ function StreamingGrid({ onOpenModal, xrelIds, onXrelLoaded, favIds: favIdsProp,
   const [data, setData] = useState(null);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState('');
+  const [clearing, setClearing] = useState(false);
+
+  const isAdmin = (() => {
+    try { return JSON.parse(atob(localStorage.getItem('sk_token').split('.')[1])).role === 'admin'; }
+    catch { return false; }
+  })();
+
+  const clearCache = async () => {
+    if (!activeProvider || clearing) return;
+    setClearing(true);
+    try {
+      await api(`/tools/media/streaming/${activeProvider}/clear-cache`, { method:'POST', body:{} });
+      // Neu laden
+      setData(null); setLoading(true);
+      const path = subTab === 'new'
+        ? `/tools/media/streaming/${activeProvider}/new`
+        : `/tools/media/streaming/${activeProvider}`;
+      const d = await api(path);
+      setData(d);
+    } catch(e) { setError(e.message); }
+    finally { setClearing(false); setLoading(false); }
+  };
 
   useEffect(() => {
     api('/tools/media/streaming/providers')
@@ -498,6 +520,15 @@ function StreamingGrid({ onOpenModal, xrelIds, onXrelLoaded, favIds: favIdsProp,
         }}>🆕 Neuerscheinungen</button>
       </div>
 
+      {isAdmin && activeProvider && (
+        <button onClick={clearCache} disabled={clearing || loading}
+          style={{background:'rgba(255,255,255,0.05)',border:'1px solid rgba(255,255,255,0.1)',
+            borderRadius:7,padding:'4px 10px',color:'rgba(255,255,255,0.4)',fontFamily:'monospace',
+            fontSize:10,cursor:'pointer',marginBottom:10,display:'block'}}>
+          {clearing ? '⏳ Leere…' : '🗑 Cache leeren'}
+        </button>
+      )}
+
       {subTab === 'top10' ? (
         <div style={{color:'rgba(255,255,255,0.35)',fontFamily:'monospace',fontSize:11,marginBottom:12,lineHeight:1.6}}>
           Top 10 Filme &amp; Serien pro Anbieter (DE) · nur Titel ab {new Date().getFullYear()-1} · sortiert nach Popularität (Näherung, keine offiziellen Anbieter-Daten)<br/>