修复 GetTodayProduction/GetProductionTrend 方法 — 使用新字段 end_total_count/base_total_count 替代旧字段 total_quantity/total_run_time，移除对已废弃 cnc_production_segment 表的降级查询

src/CncRepository/Impl/MachineRepository.cs

@@ -232,23 +232,11 @@ namespace CncRepository.Impl
         {
             using (var conn = CreateConnection())
             {
-                // 优先从已汇总的日产量表取
-                string dpSql = @"SELECT program_name AS ProgramName, CAST(total_quantity AS SIGNED) AS Quantity,
-                                 total_run_time AS RunTime, total_cutting_time AS CuttingTime
-                                 FROM cnc_daily_production
-                                 WHERE machine_id = @MachineId AND production_date = CURDATE()";
-                var dpItems = conn.Query<MachineTodayProdItem>(dpSql, new { MachineId = machineId }).AsList();
-                if (dpItems.Count > 0) return dpItems;
-
-                // 没有汇总数据则从分段表实时计算
-                string segSql = @"SELECT seg.program_name AS ProgramName,
-                                  CAST(SUM(CASE WHEN seg.is_settled=1 THEN seg.quantity
-                                      ELSE COALESCE(seg.end_part_count, seg.start_part_count) - seg.start_part_count END) AS SIGNED) AS Quantity,
-                                  NULL AS RunTime, NULL AS CuttingTime
-                                  FROM cnc_production_segment seg
-                                  WHERE seg.machine_id = @MachineId AND seg.production_date = CURDATE()
-                                  GROUP BY seg.program_name";
-                return conn.Query<MachineTodayProdItem>(segSql, new { MachineId = machineId }).AsList();
+                string sql = @"SELECT dp.program_name AS ProgramName,
+                                      (dp.end_total_count - dp.base_total_count) AS Quantity
+                               FROM cnc_daily_production dp
+                               WHERE dp.machine_id = @MachineId AND dp.production_date = CURDATE()";
+                return conn.Query<MachineTodayProdItem>(sql, new { MachineId = machineId }).AsList();
             }
         }
 
@@ -257,27 +245,14 @@ namespace CncRepository.Impl
         {
             using (var conn = CreateConnection())
             {
-                // 优先从日产量表取近N天数据
                 string sql = @"SELECT DATE_FORMAT(dp.production_date, '%Y-%m-%d') AS Date,
-                               CAST(SUM(dp.total_quantity) AS SIGNED) AS Quantity
+                                      CAST(SUM(dp.end_total_count - dp.base_total_count) AS SIGNED) AS Quantity
                                FROM cnc_daily_production dp
                                WHERE dp.machine_id = @MachineId
                                AND dp.production_date >= DATE_SUB(CURDATE(), INTERVAL @Days DAY)
                                GROUP BY dp.production_date
                                ORDER BY dp.production_date";
-                var items = conn.Query<MachineTrendItem>(sql, new { MachineId = machineId, Days = days - 1 }).AsList();
-                if (items.Count > 0) return items;
-
-                // 没有汇总数据则从分段表实时计算
-                string segSql = @"SELECT DATE_FORMAT(seg.production_date, '%Y-%m-%d') AS Date,
-                                  CAST(SUM(CASE WHEN seg.is_settled=1 THEN seg.quantity
-                                      ELSE COALESCE(seg.end_part_count, seg.start_part_count) - seg.start_part_count END) AS SIGNED) AS Quantity
-                                  FROM cnc_production_segment seg
-                                  WHERE seg.machine_id = @MachineId
-                                  AND seg.production_date >= DATE_SUB(CURDATE(), INTERVAL @Days DAY)
-                                  GROUP BY seg.production_date
-                                  ORDER BY seg.production_date";
-                return conn.Query<MachineTrendItem>(segSql, new { MachineId = machineId, Days = days - 1 }).AsList();
+                return conn.Query<MachineTrendItem>(sql, new { MachineId = machineId, Days = days - 1 }).AsList();
             }
         }