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/002_CreateDataUpdateTable.sql

@@ -0,0 +1,27 @@
+-- Migration: 002_CreateDataUpdateTable
+-- Source: OLD/Database/Tables/DataUpdate.sql
+-- Changes: DATETIME -> DATETIME2(7)
+
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'DataUpdate' AND schema_id = SCHEMA_ID('dbo'))
+BEGIN
+    CREATE TABLE [dbo].[DataUpdate]
+    (
+        [ID] INT IDENTITY(1,1) NOT NULL,
+        [SourceSystem] VARCHAR(50) NOT NULL,
+        [SourceData] VARCHAR(50) NOT NULL,
+        [TableName] VARCHAR(50) NOT NULL,
+        [StartDT] DATETIME2(7) NOT NULL,
+        [EndDT] DATETIME2(7) NOT NULL,
+        [UpdateType] SMALLINT NOT NULL,
+        [WasSuccessful] BIT NOT NULL,
+        [NumberRecords] BIGINT NOT NULL,
+        CONSTRAINT [PK_DataUpdate] PRIMARY KEY CLUSTERED([ID])
+    );
+END
+GO
+
+IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_DataUpdate_LastUpdate' AND object_id = OBJECT_ID('dbo.DataUpdate'))
+BEGIN
+    CREATE INDEX [IX_DataUpdate_LastUpdate] ON [dbo].[DataUpdate] ([TableName], [WasSuccessful], [StartDT] DESC);
+END
+GO