优化工作底稿索引，调整格式为：["文件ID||文件名||下载地址"]

src/main/java/com/gxwebsoft/ai/service/impl/AbstractAuditContentService.java

@@ -151,7 +151,9 @@ public abstract class AbstractAuditContentService {
             }
             
             String docName = extractDocumentName(node);
-            String formattedText = String.format("《%s》%s", docName, text);
+            String docId = extractDocumentId(node);
+//            String formattedText = String.format("《%s》%s", docName, text);
+            String formattedText = String.format("【FileId:%s】《%s》%s", docId, docName, text);
             results.add(formattedText);
             
         } catch (Exception e) {
@@ -178,6 +180,25 @@ public abstract class AbstractAuditContentService {
         return "相关文档";
     }
     
+    /**
+     * 提取文档Id通用方法
+     */
+    protected String extractDocumentId(RetrieveResponseBodyDataNodes node) {
+        try {
+            Object metadataObj = node.getMetadata();
+            if (metadataObj instanceof Map) {
+                Map<?, ?> metadata = (Map<?, ?>) metadataObj;
+                Object docIdObj = metadata.get("doc_id");
+                if (docIdObj != null) {
+                    return docIdObj.toString();
+                }
+            }
+        } catch (Exception e) {
+            log.debug("提取文档名称失败", e);
+        }
+        return "相关文档";
+    }
+    
     /**
      * 构建成功响应通用方法
      */