Revert "refactor: flatten dto entity and mapper packages"

This reverts commit 29766ebd28.

src/main/java/com/label/mapper/AnnotationTaskMapper.java

@@ -1,26 +0,0 @@
-package com.label.mapper;
-
-import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.label.entity.AnnotationTask;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Param;
-import org.apache.ibatis.annotations.Update;
-
-/**
- * annotation_task 鐞?Mapper閵? */
-@Mapper
-public interface AnnotationTaskMapper extends BaseMapper<AnnotationTask> {
-
-    /**
-     * 閸樼喎鐡欓幀褔顣崣鏍︽崲閸斺槄绱版禒鍛秼娴犺濮熸稉?UNCLAIMED 娑撴柨鐫樻禍搴＄秼閸撳秶顫ら幋閿嬫閹靛秵娲块弬鑸偓?     * 娴ｈ法鏁ゆ稊鎰潎 WHERE 閺夆€叉鐎圭偟骞囬獮璺哄絺鐎瑰鍙忛敍鍫滅贩鐠ф牗鏆熼幑顔肩氨鐞涘瞼楠囬柨渚婄礆閵?     *
-     * @param taskId    娴犺濮?ID
-     * @param userId    妫板棗褰囬悽銊﹀煕 ID
-     * @param companyId 瑜版挸澧犵粔鐔稿煕
-     * @return 瑜板崬鎼风悰灞炬殶閿? = 娴犺濮熷鑼额潶娴犳牔姹夋０鍡楀絿閹存牔绗夌€涙ê婀敍?     */
-    @Update("UPDATE annotation_task " +
-            "SET status = 'IN_PROGRESS', claimed_by = #{userId}, claimed_at = NOW(), updated_at = NOW() " +
-            "WHERE id = #{taskId} AND status = 'UNCLAIMED' AND company_id = #{companyId}")
-    int claimTask(@Param("taskId") Long taskId,
-                  @Param("userId") Long userId,
-                  @Param("companyId") Long companyId);
-}