CLAP-120 Fix: TaskEntity에서 completedAt 제거

Author: parkjaehak

src/main/java/clap/server/adapter/outbound/persistense/entity/task/TaskEntity.java

@@ -60,9 +60,6 @@ public class TaskEntity extends BaseTimeEntity {
     @Column
     private LocalDateTime dueDate;
 
-    @Column
-    private LocalDateTime completedAt;
-
     @Column
     private LocalDateTime finishedAt;
 }

src/main/java/clap/server/application/mapper/TaskMapper.java

@@ -105,7 +105,7 @@ public static FilterAllTasksResponse toFilterAllTasksResponse(Task task) {
                 task.getRequester().getMemberInfo().getNickname(),
                 task.getProcessor().getMemberInfo().getNickname(),
                 task.getTaskStatus(),
-                task.getCompletedAt() != null ? task.getCompletedAt() : null
+                task.getFinishedAt() != null ? task.getFinishedAt() : null
         );
     }