feat(margin_template_v2): 添加簿记账户显示功能

- 在 margin_template_v2 模型中新增 BookScopeName 属性用于显示簿记账户名称
- 更新客户端和服务端列表视图以显示适用簿记账户列
- 实现 SetBookScopeNames 方法将簿记账户ID转换为名称显示
- 添加 ParseBookIdsForDisplay 方法解析簿记账户ID列表
- 新增 MarginTemplateV2BookScopeTest 单元测试验证簿记账户范围逻辑

YLErpDAL/Modules/MarginModule/MarginTemplateService.cs

@@ -1,4 +1,5 @@
 using BaseOUDAL;
+using System.Globalization;
 using YLErp.Model;
 
 namespace YLErp.Modules.MarginModule
@@ -77,8 +78,67 @@ namespace YLErp.Modules.MarginModule
             }
 
             var retListResult = query.ToSearchList(req);
+            SetBookScopeNames(retListResult);
 
             return retListResult;
         }
+
+        private void SetBookScopeNames(SearchListResult<margin_template_v2> result)
+        {
+            var rows = result?.rows?.ToList();
+            if (rows == null || rows.Count == 0)
+            {
+                return;
+            }
+
+            var parsedRows = rows.Select(row => new
+            {
+                Row = row,
+                BookIds = row == null ? new List<int>() : ParseBookIdsForDisplay(row.BookIds)
+            }).ToList();
+            var bookIds = parsedRows.SelectMany(item => item.BookIds).Distinct().ToList();
+            var bookNames = bookIds.Count == 0
+                ? new Dictionary<int, string>()
+                : DbContext.assetunit
+                    .AsNoTracking()
+                    .Where(book => bookIds.Contains(book.id))
+                    .Select(book => new { book.id, book.Name })
+                    .ToDictionary(book => book.id, book => book.Name);
+
+            foreach (var item in parsedRows)
+            {
+                if (item.Row == null)
+                {
+                    continue;
+                }
+
+                item.Row.BookScopeName = string.IsNullOrWhiteSpace(item.Row.BookIds)
+                    ? "全部"
+                    : string.Join("，", item.BookIds
+                        .Where(bookId => bookNames.ContainsKey(bookId))
+                        .Select(bookId => bookNames[bookId]));
+            }
+
+            result.rows = rows;
+        }
+
+        private static List<int> ParseBookIdsForDisplay(string bookIds)
+        {
+            var ids = new List<int>();
+            if (string.IsNullOrWhiteSpace(bookIds))
+            {
+                return ids;
+            }
+
+            foreach (var rawId in bookIds.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
+            {
+                if (int.TryParse(rawId.Trim(), NumberStyles.None, CultureInfo.InvariantCulture, out var id) && id > 0)
+                {
+                    ids.Add(id);
+                }
+            }
+
+            return ids;
+        }
     }
 }