给抽问抽答统计，站级增加："主管正确率排名

             正序前三名和倒序后三名的主管，展示名称为“一大队方圆主管”，后面标注正确率"

airport-exam/src/main/java/com/sundot/airport/exam/dto/AccuracyStatisticsDTO.java

@@ -118,11 +118,16 @@ public class AccuracyStatisticsDTO implements Serializable {
     private RankingInfo deptInSiteRanking;
 
     /**
-     * Top主管（科室）
+     * Top主管（科室）- 正序前三名
      */
     private java.util.List<RankingItem> topDepts;
 
     /**
+     * Bottom主管（科室）- 倒序后三名
+     */
+    private java.util.List<RankingItem> bottomDepts;
+
+    /**
      * 站级内Top班组
      */
     private java.util.List<RankingItem> topTeamsInSite;

airport-exam/src/main/java/com/sundot/airport/exam/service/impl/AccuracyStatisticsServiceImpl.java

@@ -1035,6 +1035,21 @@ public class AccuracyStatisticsServiceImpl implements IAccuracyStatisticsService
             }
         }
 
+        // 站长用户特殊处理：返回主管正确率排名前三和后三
+        if (hierarchy.stationId != null && hierarchy.managerId == null && hierarchy.teamId == null) {
+            // 当前用户是站长，计算所有主管的排名
+            List<TeamAccuracyInfo> managersInStation = calculateManagerAccuraciesUnderStation(hierarchy.stationId, startDate, endDate);
+            if (!managersInStation.isEmpty()) {
+                // Top主管（取前3）- 格式如"一大队方圆主管"
+                List<AccuracyStatisticsDTO.RankingItem> topDepts = convertToManagerRankingItems(managersInStation, 3, true);
+                result.setTopDepts(topDepts);
+
+                // Bottom主管（取后3）- 格式如"一大队方圆主管"
+                List<AccuracyStatisticsDTO.RankingItem> bottomDepts = convertToManagerRankingItems(managersInStation, 3, false);
+                result.setBottomDepts(bottomDepts);
+            }
+        }
+
         // 主管用户特殊处理：主管内Top班组
         if (hierarchy.teamId == null && hierarchy.managerId != null) {
             // 当前用户是主管，计算该主管下的班组排名
@@ -1212,6 +1227,68 @@ public class AccuracyStatisticsServiceImpl implements IAccuracyStatisticsService
     }
 
     /**
+     * 将主管排名列表转换为RankingItem列表，名称格式为"大队名+主管名"
+     * @param rankings 排名列表（已按正确率降序排序）
+     * @param limit 取多少个
+     * @param fromTop true=从头取（Top），false=从尾取（Bottom）
+     */
+    private List<AccuracyStatisticsDTO.RankingItem> convertToManagerRankingItems(List<TeamAccuracyInfo> rankings, int limit, boolean fromTop) {
+        List<AccuracyStatisticsDTO.RankingItem> result = new ArrayList<>();
+
+        if (rankings.isEmpty()) {
+            return result;
+        }
+
+        int size = rankings.size();
+        int actualLimit = Math.min(limit, size);
+
+        if (fromTop) {
+            // 取前N个
+            for (int i = 0; i < actualLimit; i++) {
+                TeamAccuracyInfo info = rankings.get(i);
+                AccuracyStatisticsDTO.RankingItem item = new AccuracyStatisticsDTO.RankingItem();
+                item.setId(info.deptId);
+                item.setName(getManagerDisplayName(info.deptId, info.deptName));
+                item.setAccuracy(info.accuracy);
+                item.setRank(i + 1);
+                result.add(item);
+            }
+        } else {
+            // 取后N个（倒序）
+            for (int i = size - actualLimit; i < size; i++) {
+                TeamAccuracyInfo info = rankings.get(i);
+                AccuracyStatisticsDTO.RankingItem item = new AccuracyStatisticsDTO.RankingItem();
+                item.setId(info.deptId);
+                item.setName(getManagerDisplayName(info.deptId, info.deptName));
+                item.setAccuracy(info.accuracy);
+                item.setRank(i + 1);
+                result.add(item);
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * 获取主管显示名称，格式为"大队名+主管名"，如"一大队方圆主管"
+     */
+    private String getManagerDisplayName(Long managerId, String managerName) {
+        SysDept managerDept = deptService.selectDeptById(managerId);
+        if (managerDept == null) {
+            return managerName;
+        }
+        // 获取主管所属大队
+        Long brigadeId = managerDept.getParentId();
+        if (brigadeId != null) {
+            SysDept brigadeDept = deptService.selectDeptById(brigadeId);
+            if (brigadeDept != null && StrUtil.equals(DeptType.BRIGADE.getCode(), brigadeDept.getDeptType())) {
+                return brigadeDept.getDeptName() + managerName;
+            }
+        }
+        return managerName;
+    }
+
+    /**
      * 班组/部门正确率信息
      */
     private static class TeamAccuracyInfo {