perf(knowledge): 暂时关闭rerank提升性能

service-ai/service-ai-knowledge/src/main/java/com/lanyuanxiaoyao/service/ai/knowledge/service/KnowledgeBaseService.java

@@ -188,13 +188,14 @@ public class KnowledgeBaseService {
             .similarityThreshold(threshold)
             .build()
     );
-    List<org.noear.solon.ai.rag.Document> rerankDocuments = rerankingModel.rerank(
+    // 如果只是一个知识库的话，似乎没有什么rerank的必要...
+    /* List<org.noear.solon.ai.rag.Document> rerankDocuments = rerankingModel.rerank(
         text,
         documents.stream()
             .map(doc -> new org.noear.solon.ai.rag.Document(doc.getId(), doc.getText(), doc.getMetadata(), doc.getScore()))
             .toList()
-    );
-    return Lists.immutable.ofAll(rerankDocuments)
-        .collect(org.noear.solon.ai.rag.Document::getContent);
+    ); */
+    return Lists.immutable.ofAll(documents)
+        .collect(Document::getText);
   }
 }