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/010_CreateOrgHierarchyTable.sql

@@ -0,0 +1,22 @@
+-- Migration: 010_CreateOrgHierarchyTable
+-- Source: OLD/Database/Tables/OrgHierarchy.sql
+-- Changes: DATETIME -> DATETIME2(7)
+
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'OrgHierarchy' AND schema_id = SCHEMA_ID('dbo'))
+BEGIN
+    CREATE TABLE [dbo].[OrgHierarchy]
+    (
+        [WorkCenterCode] VARCHAR(12) NOT NULL,
+        [BranchCode] VARCHAR(12) NOT NULL,
+        [ProfitCenterCode] VARCHAR(12) NOT NULL,
+        [LastUpdateDT] DATETIME2(7) NOT NULL,
+        CONSTRAINT [PK_OrgHierarchy] PRIMARY KEY CLUSTERED([WorkCenterCode], [BranchCode])
+    );
+END
+GO
+
+IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_OrgHierarchy_ProfitCenterCode' AND object_id = OBJECT_ID('dbo.OrgHierarchy'))
+BEGIN
+    CREATE INDEX [IX_OrgHierarchy_ProfitCenterCode] ON [dbo].[OrgHierarchy] ([ProfitCenterCode]) INCLUDE([WorkCenterCode]);
+END
+GO