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.

NEW/src/JdeScoping.Database/Scripts/023_CreateWorkOrderRoutingTable.sql

@@ -0,0 +1,32 @@
+-- Migration: 023_CreateWorkOrderRoutingTable
+-- Source: OLD/Database/Tables/WorkOrderRouting_Curr.sql
+-- Note: Legacy file creates [dbo].[WorkOrderRouting] (no _Curr suffix - single table)
+-- Changes: DATETIME -> DATETIME2(7)
+
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'WorkOrderRouting' AND schema_id = SCHEMA_ID('dbo'))
+BEGIN
+    CREATE TABLE [dbo].[WorkOrderRouting]
+    (
+        [UserID] VARCHAR(40) NOT NULL,
+        [BatchNumber] VARCHAR(60) NOT NULL,
+        [TransactionNumber] VARCHAR(88) NOT NULL,
+        [LineNumber] INT NOT NULL,
+        [StepNumber] DECIMAL(7, 2) NOT NULL,
+        [WorkCenterCode] VARCHAR(12) NOT NULL,
+        [WorkOrderNumber] BIGINT NOT NULL,
+        [RoutingType] VARCHAR(12) NULL,
+        [BranchCode] VARCHAR(12) NULL,
+        [StepDescription] VARCHAR(120) NULL,
+        [FunctionCode] VARCHAR(60) NULL,
+        [TransactionDate] DATETIME2(7) NOT NULL,
+        [LastUpdateDT] DATETIME2(7) NOT NULL,
+        CONSTRAINT [PK_WorkOrderRouting] PRIMARY KEY CLUSTERED([UserID], [BatchNumber], [TransactionNumber], [LineNumber], [StepNumber], [WorkCenterCode])
+    );
+END
+GO
+
+IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_WorkOrderRouting_Lookup' AND object_id = OBJECT_ID('dbo.WorkOrderRouting'))
+BEGIN
+    CREATE INDEX [IX_WorkOrderRouting_Lookup] ON [dbo].[WorkOrderRouting] ([WorkOrderNumber], [WorkCenterCode], [FunctionCode]) INCLUDE([StepNumber]);
+END
+GO