feat(wms): 优化钢卷库区操作记录吞吐报表统计功能

- 后端新增 statistics 接口聚合图表数据，避免前端遍历计算
- 新增 WmsCoilWarehouseOperationLogStatisticsVo 数据传输对象
- 实现按操作人汇总、按日趋势、汇总指标三个维度的数据查询
- 前端 record 页面集成统计卡片、趋势图、饼图、柱状图展示
- 优化分页逻辑，移除前端全量数据存储和分页计算
- 添加完整的 SQL 统计查询语句支持多维度数据聚合

klp-wms/src/main/java/com/klp/service/impl/WmsCoilWarehouseOperationLogServiceImpl.java

@@ -18,6 +18,7 @@ import org.springframework.stereotype.Service;
 import com.klp.domain.bo.WmsCoilWarehouseOperationLogBo;
 import com.klp.domain.vo.WmsCoilWarehouseOperationLogVo;
 import com.klp.domain.vo.WmsCoilWarehouseOperationLogExportVo;
+import com.klp.domain.vo.WmsCoilWarehouseOperationLogStatisticsVo;
 import java.math.BigDecimal;
 import com.klp.domain.vo.WmsMaterialCoilVo;
 import com.klp.domain.WmsCoilWarehouseOperationLog;
@@ -352,4 +353,34 @@ public class WmsCoilWarehouseOperationLogServiceImpl implements IWmsCoilWarehous
             default: return String.valueOf(inOutType);
         }
     }
+
+    @Override
+    public WmsCoilWarehouseOperationLogStatisticsVo statistics(WmsCoilWarehouseOperationLogBo bo) {
+        Long actualWarehouseId = bo.getActualWarehouseId();
+        Integer operationType = bo.getOperationType();
+        Integer inOutType = bo.getInOutType();
+        String createBy = bo.getCreateBy();
+        Date startTime = bo.getCreateStartTime();
+        Date endTime = bo.getCreateEndTime();
+
+        // 一次 RPC 内三次轻量 GROUP BY 查询，远比拉取全量 rows 再聚合快
+        WmsCoilWarehouseOperationLogStatisticsVo summary =
+            baseMapper.selectStatisticsSummary(actualWarehouseId, operationType, inOutType, createBy, startTime, endTime);
+
+        List<WmsCoilWarehouseOperationLogStatisticsVo.UserSummary> userSummary =
+            baseMapper.selectUserSummary(actualWarehouseId, operationType, inOutType, createBy, startTime, endTime);
+
+        List<WmsCoilWarehouseOperationLogStatisticsVo.TrendItem> trendData =
+            baseMapper.selectTrendData(actualWarehouseId, operationType, inOutType, createBy, startTime, endTime);
+
+        if (summary == null) {
+            summary = new WmsCoilWarehouseOperationLogStatisticsVo();
+            summary.setTotalCount(0);
+            summary.setTotalWeight(BigDecimal.ZERO);
+            summary.setWarehouseCount(0);
+        }
+        summary.setUserSummary(userSummary);
+        summary.setTrendData(trendData);
+        return summary;
+    }
 }