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/043_CreateResetPartialSearchesProcedure.sql

@@ -0,0 +1,15 @@
+-- Migration: 043_CreateResetPartialSearchesProcedure
+-- Source: OLD/Database/StoredProcedures/ResetPartialSearches.sql
+-- Resets searches that were started but not completed (cleanup after crash)
+
+CREATE OR ALTER PROCEDURE [dbo].[ResetPartialSearches]
+AS
+BEGIN
+    -- Reset status and start timestamp for searches begun but not finished
+    UPDATE dbo.Search
+    SET Status = 1,
+        StartDT = NULL
+    WHERE StartDT IS NOT NULL
+      AND EndDT IS NULL;
+END
+GO