feat(tplus): 新增同步暂存与任务管理迁移和环境配置

db/queries/tplus/business_items.sql

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+-- 已在客户备份核对列结构；业务语义仍待确认。
+-- SQL Server 2008 R2 语法；主键游标分页，时间水位尚未启用。
+SELECT TOP (:batch_size)
+    b.id AS id,
+    b.code AS code,
+    b.id AS line_no,
+    b.idSaleOrderDTO AS source_parent_id,
+    b.idinventory,
+    b.quantity,
+    b.baseQuantity,
+    b.price,
+    b.taxPrice,
+    b.taxAmount,
+    b.discountAmount,
+    b.LatestCost,
+    b.IsClose,
+    b.updated AS source_updated_at,
+    b.ts AS source_rowversion
+FROM dbo.SA_SaleOrder_b AS b
+WHERE b.id > :after_id
+ORDER BY b.id;