feat(ems): 添加产线选择和总表功能，增强表格配置选项

- 在电表管理页面添加产线选择下拉框和总表开关
- 在能耗表格页面添加配置选项：显示求和行、分表求和、误差计算
- 实现表格汇总行计算功能
- 添加误差和误差率计算功能

klp-ui/src/views/ems/meter/manage.vue

@@ -98,17 +98,6 @@
                 <span class="label">安装日期</span>
                 <span class="value">{{ meter.installDate || '-' }}</span>
               </div>
-              <!-- <div class="info-item">
-                <span class="label">绑定库区</span>
-                <el-tag 
-                  v-if="getBindingWarehouse(meter.meterId)" 
-                  type="success"
-                  size="small"
-                >
-                  {{ getBindingWarehouse(meter.meterId) }}
-                </el-tag>
-                <el-tag v-else type="info" size="small">未绑定</el-tag>
-              </div> -->
               <div class="info-item status-selector">
                 <el-radio-group 
                   v-model="meter.status" 
@@ -153,6 +142,12 @@
           />
         </el-form-item>
 
+        <el-form-item label="相关产线" prop="lineId">
+          <el-select v-model="meterForm.productionLine" placeholder="请选择相关产线" filterable clearable>
+            <el-option v-for="item in dict.type.sys_lines" :key="item.value" :label="item.label" :value="item.value" />
+          </el-select>
+        </el-form-item>
+
         <!-- 基本信息 -->
         <el-form-item label="型号" prop="model">
           <el-input v-model="meterForm.model" placeholder="请输入设备型号" />
@@ -164,6 +159,9 @@
           <el-date-picker v-model="meterForm.installDate" type="date" placeholder="选择日期" value-format="yyyy-MM-dd" />
         </el-form-item>
 
+        <el-form-item label="是总表" prop="isTotalMeter">
+          <el-switch v-model="meterForm.isTotalMeter" :active-value="1" :inactive-value="0" active-text="是" inactive-text="否" />
+        </el-form-item>
       </el-form>
       <span slot="footer" class="dialog-footer">
         <el-button @click="meterDialogVisible = false">取 消</el-button>
@@ -181,6 +179,7 @@ import { fetchEnergyLinkMatrix, addEnergyLink } from '@/api/ems/energyLink'
 
 export default {
   name: "MeterManage",
+  dicts: ['sys_lines'],
   data() {
     return {
       loading: false,