feat: Add optimization result persistence to Job entity

Add OptimizationResultJson and OptimizedAt columns to Job table.
JobService now saves/clears optimization results and auto-clears
stale results when parts, stock, or cutting tool change.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

CutList.Web/Data/ApplicationDbContext.cs

@@ -234,6 +234,8 @@ public class ApplicationDbContext : DbContext
             entity.Property(e => e.Customer).HasMaxLength(100);
             entity.Property(e => e.CreatedAt).HasDefaultValueSql("GETUTCDATE()");
 
+            entity.Property(e => e.OptimizationResultJson).HasColumnType("nvarchar(max)");
+
             entity.HasIndex(e => e.JobNumber).IsUnique();
 
             entity.HasOne(e => e.CuttingTool)

CutList.Web/Data/Entities/Job.cs

@@ -11,6 +11,8 @@ public class Job
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime? UpdatedAt { get; set; }
     public DateTime? LockedAt { get; set; }
+    public string? OptimizationResultJson { get; set; }
+    public DateTime? OptimizedAt { get; set; }
 
     public bool IsLocked => LockedAt.HasValue;
 

CutList.Web/Migrations/20260209122312_AddJobOptimizationResult.Designer.cs

@@ -0,0 +1,905 @@
+// <auto-generated />
+using System;
+using CutList.Web.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace CutList.Web.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("20260209122312_AddJobOptimizationResult")]
+    partial class AddJobOptimizationResult
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.11")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.CuttingTool", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("bit");
+
+                    b.Property<decimal>("KerfInches")
+                        .HasPrecision(6, 4)
+                        .HasColumnType("decimal(6,4)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("CuttingTools");
+
+                    b.HasData(
+                        new
+                        {
+                            Id = 1,
+                            IsActive = true,
+                            IsDefault = true,
+                            KerfInches = 0.0625m,
+                            Name = "Bandsaw"
+                        },
+                        new
+                        {
+                            Id = 2,
+                            IsActive = true,
+                            IsDefault = false,
+                            KerfInches = 0.125m,
+                            Name = "Chop Saw"
+                        },
+                        new
+                        {
+                            Id = 3,
+                            IsActive = true,
+                            IsDefault = false,
+                            KerfInches = 0.0625m,
+                            Name = "Cold Cut Saw"
+                        },
+                        new
+                        {
+                            Id = 4,
+                            IsActive = true,
+                            IsDefault = false,
+                            KerfInches = 0.0625m,
+                            Name = "Hacksaw"
+                        });
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Job", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<string>("Customer")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<int?>("CuttingToolId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("JobNumber")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<DateTime?>("LockedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("OptimizationResultJson")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("OptimizedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CuttingToolId");
+
+                    b.HasIndex("JobNumber")
+                        .IsUnique();
+
+                    b.ToTable("Jobs");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.JobPart", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("JobId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("LengthInches")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<int>("MaterialId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("JobId");
+
+                    b.HasIndex("MaterialId");
+
+                    b.ToTable("JobParts");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.JobStock", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("IsCustomLength")
+                        .HasColumnType("bit");
+
+                    b.Property<int>("JobId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("LengthInches")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<int>("MaterialId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("StockItemId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("JobId");
+
+                    b.HasIndex("MaterialId");
+
+                    b.HasIndex("StockItemId");
+
+                    b.ToTable("JobStocks");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Material", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(255)
+                        .HasColumnType("nvarchar(255)");
+
+                    b.Property<string>("Grade")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Shape")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("Size")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Materials");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.MaterialDimensions", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DimensionType")
+                        .IsRequired()
+                        .HasMaxLength(21)
+                        .HasColumnType("nvarchar(21)");
+
+                    b.Property<int>("MaterialId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MaterialId")
+                        .IsUnique();
+
+                    b.ToTable("MaterialDimensions");
+
+                    b.HasDiscriminator<string>("DimensionType").HasValue("MaterialDimensions");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.PurchaseItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<int?>("JobId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<int>("StockItemId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("SupplierId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("JobId");
+
+                    b.HasIndex("StockItemId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("PurchaseItems");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.StockItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<decimal>("LengthInches")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<int>("MaterialId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(255)
+                        .HasColumnType("nvarchar(255)");
+
+                    b.Property<int>("QuantityOnHand")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("UpdatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MaterialId", "LengthInches")
+                        .IsUnique();
+
+                    b.ToTable("StockItems");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.StockTransaction", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<int?>("JobId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int>("Quantity")
+                        .HasColumnType("int");
+
+                    b.Property<int>("StockItemId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("SupplierId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.Property<decimal?>("UnitPrice")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("decimal(10,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("JobId");
+
+                    b.HasIndex("StockItemId");
+
+                    b.HasIndex("SupplierId");
+
+                    b.ToTable("StockTransactions");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Supplier", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ContactInfo")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("datetime2")
+                        .HasDefaultValueSql("GETUTCDATE()");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Suppliers");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.SupplierOffering", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(255)
+                        .HasColumnType("nvarchar(255)");
+
+                    b.Property<string>("PartNumber")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<decimal?>("Price")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("decimal(10,2)");
+
+                    b.Property<int>("StockItemId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("SupplierDescription")
+                        .HasMaxLength(255)
+                        .HasColumnType("nvarchar(255)");
+
+                    b.Property<int>("SupplierId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("StockItemId");
+
+                    b.HasIndex("SupplierId", "StockItemId")
+                        .IsUnique();
+
+                    b.ToTable("SupplierOfferings");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.AngleDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Leg1")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<decimal>("Leg2")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<decimal>("Thickness")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Thickness");
+
+                    b.HasIndex("Leg1");
+
+                    b.HasDiscriminator().HasValue("Angle");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.ChannelDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Flange")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<decimal>("Height")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Height");
+
+                    b.Property<decimal>("Web")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.HasIndex("Height");
+
+                    b.HasDiscriminator().HasValue("Channel");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.FlatBarDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Thickness")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Thickness");
+
+                    b.Property<decimal>("Width")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Width");
+
+                    b.HasIndex("Width");
+
+                    b.HasDiscriminator().HasValue("FlatBar");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.IBeamDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Height")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Height");
+
+                    b.Property<decimal>("WeightPerFoot")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.HasIndex("Height");
+
+                    b.HasDiscriminator().HasValue("IBeam");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.PipeDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("NominalSize")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<string>("Schedule")
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<decimal?>("Wall")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Wall");
+
+                    b.HasIndex("NominalSize");
+
+                    b.HasDiscriminator().HasValue("Pipe");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.RectangularTubeDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Height")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Height");
+
+                    b.Property<decimal>("Wall")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Wall");
+
+                    b.Property<decimal>("Width")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Width");
+
+                    b.HasIndex("Width");
+
+                    b.HasDiscriminator().HasValue("RectangularTube");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.RoundBarDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Diameter")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.HasIndex("Diameter");
+
+                    b.HasDiscriminator().HasValue("RoundBar");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.RoundTubeDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("OuterDiameter")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)");
+
+                    b.Property<decimal>("Wall")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Wall");
+
+                    b.HasIndex("OuterDiameter");
+
+                    b.HasDiscriminator().HasValue("RoundTube");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.SquareBarDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Size")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Size");
+
+                    b.HasIndex("Size");
+
+                    b.HasDiscriminator().HasValue("SquareBar");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.SquareTubeDimensions", b =>
+                {
+                    b.HasBaseType("CutList.Web.Data.Entities.MaterialDimensions");
+
+                    b.Property<decimal>("Size")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Size");
+
+                    b.Property<decimal>("Wall")
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasPrecision(10, 4)
+                        .HasColumnType("decimal(10,4)")
+                        .HasColumnName("Wall");
+
+                    b.HasIndex("Size");
+
+                    b.HasDiscriminator().HasValue("SquareTube");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Job", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.CuttingTool", "CuttingTool")
+                        .WithMany("Jobs")
+                        .HasForeignKey("CuttingToolId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("CuttingTool");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.JobPart", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Job", "Job")
+                        .WithMany("Parts")
+                        .HasForeignKey("JobId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.Material", "Material")
+                        .WithMany("JobParts")
+                        .HasForeignKey("MaterialId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Job");
+
+                    b.Navigation("Material");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.JobStock", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Job", "Job")
+                        .WithMany("Stock")
+                        .HasForeignKey("JobId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.Material", "Material")
+                        .WithMany()
+                        .HasForeignKey("MaterialId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.StockItem", "StockItem")
+                        .WithMany()
+                        .HasForeignKey("StockItemId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("Job");
+
+                    b.Navigation("Material");
+
+                    b.Navigation("StockItem");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.MaterialDimensions", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Material", "Material")
+                        .WithOne("Dimensions")
+                        .HasForeignKey("CutList.Web.Data.Entities.MaterialDimensions", "MaterialId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Material");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.PurchaseItem", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Job", "Job")
+                        .WithMany()
+                        .HasForeignKey("JobId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("CutList.Web.Data.Entities.StockItem", "StockItem")
+                        .WithMany()
+                        .HasForeignKey("StockItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("Job");
+
+                    b.Navigation("StockItem");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.StockItem", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Material", "Material")
+                        .WithMany("StockItems")
+                        .HasForeignKey("MaterialId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Material");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.StockTransaction", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.Job", "Job")
+                        .WithMany()
+                        .HasForeignKey("JobId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("CutList.Web.Data.Entities.StockItem", "StockItem")
+                        .WithMany("Transactions")
+                        .HasForeignKey("StockItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.Supplier", "Supplier")
+                        .WithMany()
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("Job");
+
+                    b.Navigation("StockItem");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.SupplierOffering", b =>
+                {
+                    b.HasOne("CutList.Web.Data.Entities.StockItem", "StockItem")
+                        .WithMany("SupplierOfferings")
+                        .HasForeignKey("StockItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("CutList.Web.Data.Entities.Supplier", "Supplier")
+                        .WithMany("Offerings")
+                        .HasForeignKey("SupplierId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("StockItem");
+
+                    b.Navigation("Supplier");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.CuttingTool", b =>
+                {
+                    b.Navigation("Jobs");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Job", b =>
+                {
+                    b.Navigation("Parts");
+
+                    b.Navigation("Stock");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Material", b =>
+                {
+                    b.Navigation("Dimensions");
+
+                    b.Navigation("JobParts");
+
+                    b.Navigation("StockItems");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.StockItem", b =>
+                {
+                    b.Navigation("SupplierOfferings");
+
+                    b.Navigation("Transactions");
+                });
+
+            modelBuilder.Entity("CutList.Web.Data.Entities.Supplier", b =>
+                {
+                    b.Navigation("Offerings");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

CutList.Web/Migrations/20260209122312_AddJobOptimizationResult.cs

@@ -0,0 +1,39 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace CutList.Web.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddJobOptimizationResult : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "OptimizationResultJson",
+                table: "Jobs",
+                type: "nvarchar(max)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "OptimizedAt",
+                table: "Jobs",
+                type: "datetime2",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "OptimizationResultJson",
+                table: "Jobs");
+
+            migrationBuilder.DropColumn(
+                name: "OptimizedAt",
+                table: "Jobs");
+        }
+    }
+}

CutList.Web/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -119,6 +119,12 @@ namespace CutList.Web.Migrations
                     b.Property<string>("Notes")
                         .HasColumnType("nvarchar(max)");
 
+                    b.Property<string>("OptimizationResultJson")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("OptimizedAt")
+                        .HasColumnType("datetime2");
+
                     b.Property<DateTime?>("UpdatedAt")
                         .HasColumnType("datetime2");
 

CutList.Web/Services/JobService.cs

@@ -72,6 +72,8 @@ public class JobService
     public async Task UpdateAsync(Job job)
     {
         job.UpdatedAt = DateTime.UtcNow;
+        job.OptimizationResultJson = null;
+        job.OptimizedAt = null;
         _context.Jobs.Update(job);
         await _context.SaveChangesAsync();
     }
@@ -161,6 +163,29 @@ public class JobService
         return duplicate;
     }
 
+    // Optimization result persistence
+    public async Task SaveOptimizationResultAsync(int jobId, string resultJson, DateTime optimizedAt)
+    {
+        var job = await _context.Jobs.FindAsync(jobId);
+        if (job != null)
+        {
+            job.OptimizationResultJson = resultJson;
+            job.OptimizedAt = optimizedAt;
+            await _context.SaveChangesAsync();
+        }
+    }
+
+    public async Task ClearOptimizationResultAsync(int jobId)
+    {
+        var job = await _context.Jobs.FindAsync(jobId);
+        if (job != null && job.OptimizationResultJson != null)
+        {
+            job.OptimizationResultJson = null;
+            job.OptimizedAt = null;
+            await _context.SaveChangesAsync();
+        }
+    }
+
     // Parts management
     public async Task<JobPart> AddPartAsync(JobPart part)
     {
@@ -172,11 +197,13 @@ public class JobService
         _context.JobParts.Add(part);
         await _context.SaveChangesAsync();
 
-        // Update job timestamp
+        // Update job timestamp and clear stale results
         var job = await _context.Jobs.FindAsync(part.JobId);
         if (job != null)
         {
             job.UpdatedAt = DateTime.UtcNow;
+            job.OptimizationResultJson = null;
+            job.OptimizedAt = null;
             await _context.SaveChangesAsync();
         }
 
@@ -192,6 +219,8 @@ public class JobService
         if (job != null)
         {
             job.UpdatedAt = DateTime.UtcNow;
+            job.OptimizationResultJson = null;
+            job.OptimizedAt = null;
             await _context.SaveChangesAsync();
         }
     }
@@ -209,6 +238,8 @@ public class JobService
             if (job != null)
             {
                 job.UpdatedAt = DateTime.UtcNow;
+                job.OptimizationResultJson = null;
+                job.OptimizedAt = null;
                 await _context.SaveChangesAsync();
             }
         }
@@ -229,6 +260,8 @@ public class JobService
         if (job != null)
         {
             job.UpdatedAt = DateTime.UtcNow;
+            job.OptimizationResultJson = null;
+            job.OptimizedAt = null;
             await _context.SaveChangesAsync();
         }
 
@@ -244,6 +277,8 @@ public class JobService
         if (job != null)
         {
             job.UpdatedAt = DateTime.UtcNow;
+            job.OptimizationResultJson = null;
+            job.OptimizedAt = null;
             await _context.SaveChangesAsync();
         }
     }
@@ -261,6 +296,8 @@ public class JobService
             if (job != null)
             {
                 job.UpdatedAt = DateTime.UtcNow;
+                job.OptimizationResultJson = null;
+                job.OptimizedAt = null;
                 await _context.SaveChangesAsync();
             }
         }