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.Core/Models/Inventory/Item.cs

@@ -0,0 +1,49 @@
+using JdeScoping.Core.Helpers;
+
+namespace JdeScoping.Core.Models.Inventory;
+
+/// <summary>
+/// JDE item (part type) master entity
+/// </summary>
+public class Item
+{
+    /// <summary>
+    /// Item unique short number
+    /// </summary>
+    public long ShortItemNumber { get; set; }
+
+    /// <summary>
+    /// Item unique number
+    /// </summary>
+    public string ItemNumber { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Item description
+    /// </summary>
+    public string Description { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Item master planning family
+    /// </summary>
+    public string? PlanningFamily { get; set; }
+
+    /// <summary>
+    /// Item master stocking type code
+    /// </summary>
+    public string? StockingType { get; set; }
+
+    /// <summary>
+    /// JDE date of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateDate { get; set; }
+
+    /// <summary>
+    /// JDE time of day of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateTime { get; set; }
+
+    /// <summary>
+    /// Timestamp of last update to record (computed from JDE date/time)
+    /// </summary>
+    public DateTime? LastUpdateDt => JdeDateConverter.ToDateTime(LastUpdateDate, LastUpdateTime);
+}

NEW/src/JdeScoping.Core/Models/Inventory/Lot.cs

@@ -0,0 +1,69 @@
+using JdeScoping.Core.Helpers;
+
+namespace JdeScoping.Core.Models.Inventory;
+
+/// <summary>
+/// JDE lot entity
+/// </summary>
+public class Lot
+{
+    /// <summary>
+    /// Lot unique number
+    /// </summary>
+    public string LotNumber { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Business unit unique code
+    /// </summary>
+    public string BranchCode { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Short item number
+    /// </summary>
+    public long ShortItemNumber { get; set; }
+
+    /// <summary>
+    /// Item number
+    /// </summary>
+    public string ItemNumber { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Supplier address number
+    /// </summary>
+    public long SupplierCode { get; set; }
+
+    /// <summary>
+    /// Lot status code
+    /// </summary>
+    public char StatusCode { get; set; }
+
+    /// <summary>
+    /// Memo line 1
+    /// </summary>
+    public string? Memo1 { get; set; }
+
+    /// <summary>
+    /// Memo line 2
+    /// </summary>
+    public string? Memo2 { get; set; }
+
+    /// <summary>
+    /// Memo line 3
+    /// </summary>
+    public string? Memo3 { get; set; }
+
+    /// <summary>
+    /// JDE date of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateDate { get; set; }
+
+    /// <summary>
+    /// JDE time of day of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateTime { get; set; }
+
+    /// <summary>
+    /// Timestamp of last update to record (computed from JDE date/time)
+    /// </summary>
+    public DateTime? LastUpdateDt => JdeDateConverter.ToDateTime(LastUpdateDate, LastUpdateTime);
+}

NEW/src/JdeScoping.Core/Models/Inventory/LotLocation.cs

@@ -0,0 +1,32 @@
+namespace JdeScoping.Core.Models.Inventory;
+
+/// <summary>
+/// JDE lot location entity
+/// </summary>
+public class LotLocation
+{
+    /// <summary>
+    /// Lot unique number
+    /// </summary>
+    public string LotNumber { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Short item number
+    /// </summary>
+    public long ShortItemNumber { get; set; }
+
+    /// <summary>
+    /// Business unit unique code
+    /// </summary>
+    public string BranchCode { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Location code where lot is located
+    /// </summary>
+    public string Location { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Timestamp of last update to record
+    /// </summary>
+    public DateTime? LastUpdateDt { get; set; }
+}

NEW/src/JdeScoping.Core/Models/Inventory/LotUsage.cs

@@ -0,0 +1,54 @@
+using JdeScoping.Core.Helpers;
+
+namespace JdeScoping.Core.Models.Inventory;
+
+/// <summary>
+/// Cardex (lot usage) entry entity
+/// </summary>
+public class LotUsage
+{
+    /// <summary>
+    /// Record unique / PK ID
+    /// </summary>
+    public long UniqueId { get; set; }
+
+    /// <summary>
+    /// Work order unique number
+    /// </summary>
+    public long WorkOrderNumber { get; set; }
+
+    /// <summary>
+    /// Lot number of component
+    /// </summary>
+    public string LotNumber { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Component issuance branch code
+    /// </summary>
+    public string BranchCode { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Component item short number
+    /// </summary>
+    public long ShortItemNumber { get; set; }
+
+    /// <summary>
+    /// Transaction quantity
+    /// </summary>
+    public decimal Quantity { get; set; }
+
+    /// <summary>
+    /// JDE date of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateDate { get; set; }
+
+    /// <summary>
+    /// JDE time of day of last update to record (private backing field for Dapper mapping)
+    /// </summary>
+    private int LastUpdateTime { get; set; }
+
+    /// <summary>
+    /// Timestamp of last update to record (computed from JDE date/time)
+    /// </summary>
+    public DateTime? LastUpdateDt => JdeDateConverter.ToDateTime(LastUpdateDate, LastUpdateTime);
+}