feat(mes/roll): 新增轧辊磨削记录通用查询和报表页面

1. 新增通用查询接口，支持按轧辊ID、产线ID、时间范围筛选磨削记录
2. 重构后端列表接口，支持不传轧辊ID查询全部记录
3. 修复硬度字段类型转换问题，将未倒角转为0数值
4. 新增磨辊报表页面，支持统计分析和图表展示

klp-mes/src/main/resources/mapper/roll/MesRollGrindMapper.xml

@@ -5,12 +5,29 @@
     <select id="selectByRollId" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
         SELECT grind_id, roll_id, roll_no, grind_time, team,
                dia_before, dia_after, grind_amount, roll_shape,
-               flaw_result, hardness, operator, remark, create_time
+               flaw_result,
+               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
+               operator, remark, create_time
         FROM mes_roll_grind
         WHERE del_flag = 0 AND roll_id = #{rollId}
         ORDER BY grind_time ASC, grind_id ASC
     </select>
 
+    <select id="selectList" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
+        SELECT grind_id, roll_id, roll_no, grind_time, team,
+               dia_before, dia_after, grind_amount, roll_shape,
+               flaw_result,
+               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
+               operator, remark, create_time
+        FROM mes_roll_grind
+        WHERE del_flag = 0
+          <if test="rollId != null">AND roll_id = #{rollId}</if>
+          <if test="lineId != null">AND line_id = #{lineId}</if>
+          <if test="beginTime != null and beginTime != ''">AND grind_time &gt;= #{beginTime}</if>
+          <if test="endTime != null and endTime != ''">AND grind_time &lt;= #{endTime}</if>
+        ORDER BY grind_time ASC, grind_id ASC
+    </select>
+
     <select id="selectMonthlyStats" resultType="map">
         SELECT
             DATE_FORMAT(grind_time, '%Y-%m') AS month,