Initial commit: JDE Scoping Tool migration project

Set up repository with legacy .NET Framework 4.8 source (OLD/),
new .NET 10 Blazor solution (NEW/), OpenSpec specifications,
documentation, and project configuration.

OLD/WorkerService/Templates/SplitWorkOrderQuery.txt

@@ -0,0 +1,18 @@
+--Add any work orders split from flagged work orders
+WITH SP_WO AS
+(
+    SELECT DISTINCT wo.WorkOrderNumber,
+           wo.LotNumber,
+           wo.BranchCode, 
+           wo.ShortItemNumber
+    FROM   dbo.WorkOrder AS wo INNER JOIN
+           #Temp_WO AS tw_o ON (wo.ParentWorkOrderNumber = CAST(tw_o.WorkOrderNumber AS VARCHAR(8)) AND wo.BranchCode = tw_o.BranchCode)
+)
+MERGE #Temp_WO AS TARGET
+USING SP_WO AS SOURCE
+ON    (TARGET.WorkOrderNumber = SOURCE.WorkOrderNumber AND TARGET.BranchCode = SOURCE.BranchCode)
+WHEN  MATCHED THEN
+	UPDATE SET TARGET.SplitOrder = 1
+WHEN NOT MATCHED BY TARGET THEN
+	INSERT (WorkOrderNumber, LotNumber, BranchCode, ShortItemNumber, SplitOrder)
+	VALUES (SOURCE.WorkOrderNumber, SOURCE.LotNumber, SOURCE.BranchCode, SOURCE.ShortItemNumber, 1);