新增原料入场记录功能，包含免密接口和数据同步，更新相关控制器、实体和服务，支持条码/批次号生成及管理，优化用户体验和系统实时数据处理能力。

yy-admin-master/YY.Admin.Services/Service/Dict/JeecgDictSyncService.cs

@@ -82,6 +82,7 @@ public class JeecgDictSyncService : IJeecgDictSyncService, ISingletonDependency
         const int pageSize = 500;
         var pageNo = 1;
         var synced = 0;
+        var seenIds = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
 
         while (true)
         {
@@ -111,6 +112,8 @@ public class JeecgDictSyncService : IJeecgDictSyncService, ISingletonDependency
                     continue;
                 }
 
+                seenIds.Add(id);
+
                 var existing = await _dbContext.Queryable<JeecgSysDictItem>()
                     .ClearFilter()
                     .Where(x => x.Id == id)
@@ -161,6 +164,15 @@ public class JeecgDictSyncService : IJeecgDictSyncService, ISingletonDependency
             pageNo++;
         }
 
+        // 删除本地存在但后端已移除的字典项（如后端删除重建导致 ID 变化）
+        if (seenIds.Count > 0)
+        {
+            var seenList = seenIds.ToList();
+            await _dbContext.Deleteable<JeecgSysDictItem>()
+                .Where(x => !seenList.Contains(x.Id))
+                .ExecuteCommandAsync();
+        }
+
         return synced;
     }