feat(ems): 添加告警、能耗记录和能源费率模块- 新增告警实体类 EmsAlert 及相关业务对象、控制器、映射器和服务实现

- 新增能耗记录实体类 EmsEnergyConsumption 及相关业务对象、控制器、映射器和服务实现
- 新增能源费率实体类 EmsEnergyRate 及相关业务对象、控制器、映射器和服务实现
- 实现各模块的基础 CRUD 功能，包括分页查询、导出 Excel 等操作
- 配置 MyBatis 映射文件及逻辑删除支持

klp-ems/src/main/resources/mapper/EmsMeterMapper.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+    PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+    "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.klp.ems.mapper.EmsMeterMapper">
+
+    <resultMap type="com.klp.ems.domain.EmsMeter" id="EmsMeterResult">
+        <result property="meterId" column="meter_id"/>
+        <result property="meterCode" column="meter_code"/>
+        <result property="energyTypeId" column="energy_type_id"/>
+        <result property="locationId" column="location_id"/>
+        <result property="model" column="model"/>
+        <result property="manufacturer" column="manufacturer"/>
+        <result property="installDate" column="install_date"/>
+        <result property="status" column="status"/>
+        <result property="lastCalibrationDate" column="last_calibration_date"/>
+        <result property="thresholdValue" column="threshold_value"/>
+        <result property="createBy" column="create_by"/>
+        <result property="updateBy" column="update_by"/>
+        <result property="createTime" column="create_time"/>
+        <result property="updateTime" column="update_time"/>
+        <result property="delFlag" column="del_flag"/>
+        <result property="remark" column="remark"/>
+    </resultMap>
+
+
+</mapper>