feat(annotation): 实现标注结果同步到知识管理功能

- 在知识条目实体中新增来源数据集ID和文件ID字段
- 实现标注编辑器中同步标注结果到知识管理的服务逻辑
- 添加知识同步服务类处理标注到知识条目的转换和同步
- 实现通过下载接口获取文本内容的独立服务模块
- 更新知识条目查询接口支持按来源数据集和文件ID过滤
- 自动创建和关联标注项目对应的知识集
- 支持文本和Markdown文件的内容合并标注结果
- 添加同步过程中的错误处理和日志记录机制

backend/services/data-management-service/src/main/java/com/datamate/datamanagement/application/KnowledgeItemApplicationService.java

@@ -71,7 +71,13 @@ public class KnowledgeItemApplicationService {
         KnowledgeItem knowledgeItem = KnowledgeConverter.INSTANCE.convertToKnowledgeItem(request);
         knowledgeItem.setId(UUID.randomUUID().toString());
         knowledgeItem.setSetId(setId);
-        knowledgeItem.setSourceType(KnowledgeSourceType.MANUAL);
+        if (StringUtils.isNotBlank(request.getSourceDatasetId()) || StringUtils.isNotBlank(request.getSourceFileId())) {
+            knowledgeItem.setSourceType(KnowledgeSourceType.DATASET_FILE);
+        } else {
+            knowledgeItem.setSourceType(KnowledgeSourceType.MANUAL);
+        }
+        knowledgeItem.setSourceDatasetId(request.getSourceDatasetId());
+        knowledgeItem.setSourceFileId(request.getSourceFileId());
         if (knowledgeItem.getStatus() == null) {
             knowledgeItem.setStatus(KnowledgeStatusType.DRAFT);
         }

backend/services/data-management-service/src/main/java/com/datamate/datamanagement/infrastructure/persistence/repository/impl/KnowledgeItemRepositoryImpl.java

@@ -30,6 +30,8 @@ public class KnowledgeItemRepositoryImpl extends CrudRepository<KnowledgeItemMap
             .eq(StringUtils.isNotBlank(query.getOwner()), KnowledgeItem::getOwner, query.getOwner())
             .eq(StringUtils.isNotBlank(query.getSensitivity()), KnowledgeItem::getSensitivity, query.getSensitivity())
             .eq(query.getSourceType() != null, KnowledgeItem::getSourceType, query.getSourceType())
+            .eq(StringUtils.isNotBlank(query.getSourceDatasetId()), KnowledgeItem::getSourceDatasetId, query.getSourceDatasetId())
+            .eq(StringUtils.isNotBlank(query.getSourceFileId()), KnowledgeItem::getSourceFileId, query.getSourceFileId())
             .ge(query.getValidFrom() != null, KnowledgeItem::getValidFrom, query.getValidFrom())
             .le(query.getValidTo() != null, KnowledgeItem::getValidTo, query.getValidTo());
 

backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/CreateKnowledgeItemRequest.java

@@ -77,4 +77,12 @@ public class CreateKnowledgeItemRequest {
      * 扩展元数据
      */
     private String metadata;
+    /**
+     * 来源数据集ID（用于标注同步等场景）
+     */
+    private String sourceDatasetId;
+    /**
+     * 来源文件ID（用于标注同步等场景）
+     */
+    private String sourceFileId;
 }

backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/KnowledgeItemPagingQuery.java

@@ -61,6 +61,14 @@ public class KnowledgeItemPagingQuery extends PagingQuery {
      * 来源类型
      */
     private KnowledgeSourceType sourceType;
+    /**
+     * 来源数据集ID
+     */
+    private String sourceDatasetId;
+    /**
+     * 来源文件ID
+     */
+    private String sourceFileId;
     /**
      * 有效期开始
      */