diff --git a/src/Knowledge/Retrieval/NdjsonHybridRetriever.php b/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
index 1e62a2a..f2fa9ea 100644
--- a/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
+++ b/src/Knowledge/Retrieval/NdjsonHybridRetriever.php
@@ -10,7 +10,7 @@ use App\Vector\VectorSearchClient;
 
 final class NdjsonHybridRetriever implements RetrieverInterface
 {
-    private const VECTOR_SCORE_THRESHOLD = 0.65;
+    private const VECTOR_SCORE_THRESHOLD = 0.25;
 
     /**
      * Wenn Tag-Routing aktiv ist, erhöhen wir TopK,
diff --git a/src/Tag/TagRoutingService.php b/src/Tag/TagRoutingService.php
index a15372c..b9a0372 100644
--- a/src/Tag/TagRoutingService.php
+++ b/src/Tag/TagRoutingService.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Tag;
 
 use Doctrine\DBAL\ArrayParameterType;
+use Doctrine\DBAL\Exception;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\Uid\Uuid;
 
@@ -21,6 +22,7 @@ final class TagRoutingService
 
     /**
      * @return string[]|null
+     * @throws Exception
      */
     public function route(string $query): ?array
     {