refactor: flatten dto entity and mapper packages

src/main/java/com/label/dto/TaskResponse.java

@@ -0,0 +1,37 @@
+package com.label.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Builder;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 浠诲姟鎺ュ彛缁熶竴鍝嶅簲浣擄紙浠诲姟姹犮€佹垜鐨勪换鍔°€佷换鍔¤鎯呭潎澶嶇敤锛夈€? */
+@Data
+@Builder
+@Schema(description = "鏍囨敞浠诲姟鍝嶅簲")
+public class TaskResponse {
+    @Schema(description = "浠诲姟涓婚敭")
+    private Long id;
+    @Schema(description = "鍏宠仈璧勬枡 ID")
+    private Long sourceId;
+    /** 浠诲姟绫诲瀷锛堝搴?taskType 瀛楁锛夛細EXTRACTION / QA_GENERATION */
+    @Schema(description = "浠诲姟绫诲瀷", example = "EXTRACTION")
+    private String taskType;
+    @Schema(description = "浠诲姟鐘舵€?, example = "UNCLAIMED")
+    private String status;
+    @Schema(description = "棰嗗彇浜虹敤鎴?ID")
+    private Long claimedBy;
+    @Schema(description = "棰嗗彇鏃堕棿")
+    private LocalDateTime claimedAt;
+    @Schema(description = "鎻愪氦鏃堕棿")
+    private LocalDateTime submittedAt;
+    @Schema(description = "瀹屾垚鏃堕棿")
+    private LocalDateTime completedAt;
+    /** 椹冲洖鍘熷洜锛圧EJECTED 鐘舵€佹椂闈炵┖锛?*/
+    @Schema(description = "椹冲洖鍘熷洜")
+    private String rejectReason;
+    @Schema(description = "鍒涘缓鏃堕棿")
+    private LocalDateTime createdAt;
+}