feat(sources): Review-Queue-UI fuer LLM-Klassifikations-Vorschlaege (Admin)

- Tab-Schalter im Quellen-Modal: "Quellenliste" vs. "Klassifikations-Review"
  (Review-Tab nur fuer org_admin sichtbar, mit Pending-Counter-Badge).
- Review-Karten zeigen Diff aktueller Wert -> LLM-Vorschlag pro Achse,
  Konfidenz-Indikator (gruen/gelb/rot), LLM-Begruendung, Buttons fuer
  Uebernehmen / Verwerfen / Neu klassifizieren.
- Toolbar: Konfidenz-Filter, "Klassifikation starten" (Bulk im Hintergrund),
  "Alle >= 0.85 genehmigen" (Bulk-Approve).
- API-Wrapper in api.js fuer alle 6 neuen Endpoints + erweiterte listSources-Filter.
- Backend-Endpoint POST /api/sources/classification/bulk-approve (Admin-only).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/static/js/api.js

@@ -198,10 +198,43 @@ const API = {
         if (params.source_type) query.set('source_type', params.source_type);
         if (params.category) query.set('category', params.category);
         if (params.source_status) query.set('source_status', params.source_status);
+        if (params.political_orientation) query.set('political_orientation', params.political_orientation);
+        if (params.media_type) query.set('media_type', params.media_type);
+        if (params.reliability) query.set('reliability', params.reliability);
+        if (params.alignment) query.set('alignment', params.alignment);
+        if (params.state_affiliated !== undefined && params.state_affiliated !== null) {
+            query.set('state_affiliated', String(params.state_affiliated));
+        }
         const qs = query.toString();
         return this._request('GET', `/sources${qs ? '?' + qs : ''}`);
     },
 
+    // Sources: Klassifikations-Review (LLM)
+    getClassificationStats() {
+        return this._request('GET', '/sources/classification/stats');
+    },
+    getClassificationQueue(limit = 50, minConfidence = 0.0) {
+        const qs = new URLSearchParams({ limit: String(limit), min_confidence: String(minConfidence) }).toString();
+        return this._request('GET', `/sources/classification/queue?${qs}`);
+    },
+    approveClassification(id) {
+        return this._request('POST', `/sources/${id}/classification/approve`);
+    },
+    rejectClassification(id) {
+        return this._request('POST', `/sources/${id}/classification/reject`);
+    },
+    reclassifySource(id) {
+        return this._request('POST', `/sources/${id}/classification/reclassify`);
+    },
+    triggerBulkClassify(limit = 50, onlyUnclassified = true) {
+        const qs = new URLSearchParams({ limit: String(limit), only_unclassified: String(onlyUnclassified) }).toString();
+        return this._request('POST', `/sources/classification/bulk-classify?${qs}`);
+    },
+    bulkApproveClassifications(minConfidence = 0.85) {
+        const qs = new URLSearchParams({ min_confidence: String(minConfidence) }).toString();
+        return this._request('POST', `/sources/classification/bulk-approve?${qs}`);
+    },
+
     createSource(data) {
         return this._request('POST', '/sources', data);
     },