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/controller/WmsCoilWarehouseOperationLogController.java

@@ -23,6 +23,7 @@ import com.klp.common.enums.BusinessType;
 import com.klp.common.utils.poi.ExcelUtil;
 import com.klp.domain.vo.WmsCoilWarehouseOperationLogVo;
 import com.klp.domain.vo.WmsCoilWarehouseOperationLogExportVo;
+import com.klp.domain.vo.WmsCoilWarehouseOperationLogStatisticsVo;
 import com.klp.domain.bo.WmsCoilWarehouseOperationLogBo;
 import com.klp.service.IWmsCoilWarehouseOperationLogService;
 import com.klp.common.core.page.TableDataInfo;
@@ -178,5 +179,13 @@ public class WmsCoilWarehouseOperationLogController extends BaseController {
         ExcelUtil.exportExcel(list, "钢卷库区操作记录导出", WmsCoilWarehouseOperationLogExportVo.class, response);
     }
 
+    /**
+     * 吞吐报表统计 —— 后端聚合图表数据，前端仅负责渲染
+     */
+    @GetMapping("/statistics")
+    public R<WmsCoilWarehouseOperationLogStatisticsVo> statistics(WmsCoilWarehouseOperationLogBo bo) {
+        return R.ok(iWmsCoilWarehouseOperationLogService.statistics(bo));
+    }
+
 
 }