Merge branch 'dev' into agent/hex/CUB-31-filament-usage-tracking-model

Reviewed-on: #5
Reviewed-by: Joshua <joshua@cnjmail.com>

.gitea/workflows/dev.yml

@@ -0,0 +1,77 @@
+name: Dev Build
+
+on:
+  pull_request:
+    branches: [dev]
+  push:
+    branches: [dev]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '9.0.x'
+
+      - name: Restore backend
+        run: dotnet restore
+
+      - name: Build backend
+        run: dotnet build --no-restore --configuration Release
+
+      - name: Test backend
+        run: dotnet test --no-build --configuration Release
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
+      - name: Install frontend deps
+        run: npm ci
+        working-directory: ./frontend
+
+      - name: Build frontend
+        run: npm run build
+        working-directory: ./frontend
+
+  deploy-dev:
+    needs: build-test
+    if: gitea.event_name == 'push'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Deploy dev
+        run: |
+          echo "${{ secrets.DEV_DEPLOY_SSH_KEY }}" > /tmp/dev_key
+          chmod 600 /tmp/dev_key
+          ssh -i /tmp/dev_key -o StrictHostKeyChecking=no \
+            ${{ secrets.DEV_DEPLOY_USER }}@${{ secrets.DEV_DEPLOY_HOST }} \
+            "${{ secrets.DEV_DEPLOY_PATH }}/deploy.sh"
+
+  notify-success:
+    needs: [build-test, deploy-dev]
+    if: success() && gitea.event_name == 'push'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify Slack success
+        run: |
+          curl -X POST -H 'Content-type: application/json' \
+            --data "{\"text\":\"✅ Extrudex dev deployed successfully from dev branch.\"}" \
+            "${{ secrets.SLACK_WEBHOOK_URL }}"
+
+  notify-failure:
+    needs: [build-test, deploy-dev]
+    if: failure()
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify Slack failure
+        run: |
+          curl -X POST -H 'Content-type: application/json' \
+            --data "{\"text\":\"🚨 Extrudex dev pipeline failed. Check Gitea Actions for details.\"}" \
+            "${{ secrets.SLACK_WEBHOOK_URL }}"

.gitignore

@@ -2,4 +2,9 @@ bin/
 obj/
 *.user
 *.suo
-.vs/
+.vs/
+
+# Frontend build artifacts
+frontend/dist/
+frontend/node_modules/
+frontend/.angular/

backend/.dockerignore

@@ -0,0 +1,27 @@
+# Build artifacts
+bin/
+obj/
+
+# IDE / editor
+.vs/
+.vscode/
+*.user
+*.suo
+.idea/
+
+# Environment & secrets
+appsettings.Development.json
+.env
+.env.*
+
+# Docker
+Dockerfile
+.dockerignore
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Misc
+*.md
+*.log

backend/API/Filters/FluentValidationFilter.cs

@@ -0,0 +1,69 @@
+using FluentValidation;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Filters;
+
+namespace Extrudex.API.Filters;
+
+/// <summary>
+/// Action filter that automatically validates request DTOs using FluentValidation
+/// validators registered in DI. Runs before the controller action executes.
+/// Returns 400 Bad Request with validation errors if validation fails.
+/// </summary>
+public class FluentValidationFilter : IAsyncActionFilter
+{
+    private readonly IServiceProvider _serviceProvider;
+    private readonly ILogger<FluentValidationFilter> _logger;
+
+    public FluentValidationFilter(IServiceProvider serviceProvider, ILogger<FluentValidationFilter> logger)
+    {
+        _serviceProvider = serviceProvider;
+        _logger = logger;
+    }
+
+    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
+    {
+        foreach (var argument in context.ActionArguments.Values)
+        {
+            if (argument is null) continue;
+
+            var argumentType = argument.GetType();
+            var validatorType = typeof(IValidator<>).MakeGenericType(argumentType);
+
+            // Try to resolve a validator for this argument type
+            var validator = _serviceProvider.GetService(validatorType) as IValidator;
+            if (validator is null) continue;
+
+            _logger.LogDebug("Validating {Type} with {Validator}", argumentType.Name, validator.GetType().Name);
+
+            var validationResult = await validator.ValidateAsync(
+                new ValidationContext<object>(argument), context.HttpContext.RequestAborted);
+
+            if (!validationResult.IsValid)
+            {
+                foreach (var error in validationResult.Errors)
+                {
+                    context.ModelState.AddModelError(error.PropertyName, error.ErrorMessage);
+                }
+            }
+        }
+
+        if (!context.ModelState.IsValid)
+        {
+            var errors = context.ModelState
+                .Where(kvp => kvp.Value?.Errors.Count > 0)
+                .ToDictionary(
+                    kvp => kvp.Key,
+                    kvp => kvp.Value!.Errors.Select(e => e.ErrorMessage).ToArray());
+
+            context.Result = new BadRequestObjectResult(new
+            {
+                title = "Validation failed",
+                status = 400,
+                errors
+            });
+            return;
+        }
+
+        await next();
+    }
+}

backend/API/Validators/FilamentValidators.cs

@@ -0,0 +1,108 @@
+using Extrudex.API.DTOs.Filaments;
+using FluentValidation;
+
+namespace Extrudex.API.Validators;
+
+/// <summary>
+/// Validation rules for creating a Filament (Spool) via the /filaments route.
+/// Mirrors the domain rules enforced in the controller and ensures consistent
+/// validation regardless of the request pipeline entry point.
+/// </summary>
+public class CreateFilamentRequestValidator : AbstractValidator<CreateFilamentRequest>
+{
+    public CreateFilamentRequestValidator()
+    {
+        RuleFor(x => x.MaterialBaseId)
+            .NotEmpty().WithMessage("MaterialBaseId is required.");
+
+        RuleFor(x => x.MaterialFinishId)
+            .NotEmpty().WithMessage("MaterialFinishId is required.");
+
+        RuleFor(x => x.Brand)
+            .NotEmpty().WithMessage("Brand is required.")
+            .MaximumLength(200).WithMessage("Brand must not exceed 200 characters.");
+
+        RuleFor(x => x.ColorName)
+            .NotEmpty().WithMessage("ColorName is required.")
+            .MaximumLength(200).WithMessage("ColorName must not exceed 200 characters.");
+
+        RuleFor(x => x.ColorHex)
+            .NotEmpty().WithMessage("ColorHex is required.")
+            .Matches(@"^#[0-9A-Fa-f]{6}$").WithMessage("ColorHex must be a valid hex color code (e.g., #FF0000).");
+
+        RuleFor(x => x.WeightTotalGrams)
+            .GreaterThan(0).WithMessage("Total weight must be greater than zero.");
+
+        RuleFor(x => x.WeightRemainingGrams)
+            .GreaterThanOrEqualTo(0).WithMessage("Remaining weight must be non-negative.");
+
+        RuleFor(x => x.WeightRemainingGrams)
+            .LessThanOrEqualTo(x => x.WeightTotalGrams)
+            .WithMessage("WeightRemainingGrams cannot exceed WeightTotalGrams.");
+
+        RuleFor(x => x.FilamentDiameterMm)
+            .GreaterThan(0).WithMessage("Filament diameter must be greater than zero.");
+
+        RuleFor(x => x.SpoolSerial)
+            .NotEmpty().WithMessage("SpoolSerial is required.")
+            .MaximumLength(200).WithMessage("SpoolSerial must not exceed 200 characters.");
+
+        When(x => x.PurchasePrice.HasValue, () =>
+        {
+            RuleFor(x => x.PurchasePrice!.Value)
+                .GreaterThanOrEqualTo(0).WithMessage("Purchase price must be non-negative.");
+        });
+    }
+}
+
+/// <summary>
+/// Validation rules for updating a Filament (Spool) via the /filaments route.
+/// Enforces the same domain rules as creation, plus ensures the updated
+/// WeightRemainingGrams does not exceed the updated WeightTotalGrams.
+/// </summary>
+public class UpdateFilamentRequestValidator : AbstractValidator<UpdateFilamentRequest>
+{
+    public UpdateFilamentRequestValidator()
+    {
+        RuleFor(x => x.MaterialBaseId)
+            .NotEmpty().WithMessage("MaterialBaseId is required.");
+
+        RuleFor(x => x.MaterialFinishId)
+            .NotEmpty().WithMessage("MaterialFinishId is required.");
+
+        RuleFor(x => x.Brand)
+            .NotEmpty().WithMessage("Brand is required.")
+            .MaximumLength(200).WithMessage("Brand must not exceed 200 characters.");
+
+        RuleFor(x => x.ColorName)
+            .NotEmpty().WithMessage("ColorName is required.")
+            .MaximumLength(200).WithMessage("ColorName must not exceed 200 characters.");
+
+        RuleFor(x => x.ColorHex)
+            .NotEmpty().WithMessage("ColorHex is required.")
+            .Matches(@"^#[0-9A-Fa-f]{6}$").WithMessage("ColorHex must be a valid hex color code (e.g., #FF0000).");
+
+        RuleFor(x => x.WeightTotalGrams)
+            .GreaterThan(0).WithMessage("Total weight must be greater than zero.");
+
+        RuleFor(x => x.WeightRemainingGrams)
+            .GreaterThanOrEqualTo(0).WithMessage("Remaining weight must be non-negative.");
+
+        RuleFor(x => x.WeightRemainingGrams)
+            .LessThanOrEqualTo(x => x.WeightTotalGrams)
+            .WithMessage("WeightRemainingGrams cannot exceed WeightTotalGrams.");
+
+        RuleFor(x => x.FilamentDiameterMm)
+            .GreaterThan(0).WithMessage("Filament diameter must be greater than zero.");
+
+        RuleFor(x => x.SpoolSerial)
+            .NotEmpty().WithMessage("SpoolSerial is required.")
+            .MaximumLength(200).WithMessage("SpoolSerial must not exceed 200 characters.");
+
+        When(x => x.PurchasePrice.HasValue, () =>
+        {
+            RuleFor(x => x.PurchasePrice!.Value)
+                .GreaterThanOrEqualTo(0).WithMessage("Purchase price must be non-negative.");
+        });
+    }
+}

backend/Dockerfile

@@ -0,0 +1,34 @@
+# ── Stage 1: Build ──────────────────────────────────────────
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
+WORKDIR /src
+
+# Copy csproj first for layer caching — restores before copying source
+COPY Extrudex.csproj .
+RUN dotnet restore
+
+# Copy the rest of the source
+COPY . .
+RUN dotnet publish Extrudex.csproj \
+    -c Release \
+    -o /app/publish \
+    --no-restore
+
+# ── Stage 2: Runtime ────────────────────────────────────────
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS runtime
+WORKDIR /app
+
+# Non-root user for security
+RUN adduser --disabled-password --gecos "" appuser
+USER appuser
+
+# Copy published output from build stage
+COPY --from=build /app/publish .
+
+# ASP.NET Core listens on 8080 by default in .NET 8+
+EXPOSE 8080
+
+# Health check against /health endpoint
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+    CMD curl --fail http://localhost:8080/health || exit 1
+
+ENTRYPOINT ["dotnet", "Extrudex.dll"]

backend/Domain/Entities/FilamentUsage.cs

@@ -0,0 +1,73 @@
+using Extrudex.Domain.Base;
+
+namespace Extrudex.Domain.Entities;
+
+/// <summary>
+/// Tracks filament consumption for a specific print job on a specific spool.
+/// Each record captures the grams used, which printer consumed it, and when the
+/// usage was recorded. This enables granular per-job usage analytics, COGS
+/// reconciliation, and spool weight depletion tracking.
+///
+/// A single PrintJob may have multiple FilamentUsage records if multiple spools
+/// were consumed (e.g., multi-material prints via AMS).
+/// </summary>
+public class FilamentUsage : AuditableEntity
+{
+    /// <summary>
+    /// Foreign key to the print job that consumed this filament.
+    /// A usage record is always tied to a print job.
+    /// </summary>
+    public Guid PrintJobId { get; set; }
+
+    /// <summary>
+    /// Navigation to the print job that consumed this filament.
+    /// </summary>
+    public PrintJob PrintJob { get; set; } = null!;
+
+    /// <summary>
+    /// Foreign key to the spool (filament) that provided the material.
+    /// Links usage back to the specific physical spool for inventory tracking.
+    /// </summary>
+    public Guid SpoolId { get; set; }
+
+    /// <summary>
+    /// Navigation to the spool that provided the material.
+    /// </summary>
+    public Spool Spool { get; set; } = null!;
+
+    /// <summary>
+    /// Foreign key to the printer that executed the print job.
+    /// Denormalized from PrintJob for direct querying of per-printer usage.
+    /// </summary>
+    public Guid PrinterId { get; set; }
+
+    /// <summary>
+    /// Navigation to the printer that executed the print job.
+    /// </summary>
+    public Printer Printer { get; set; } = null!;
+
+    /// <summary>
+    /// Grams of filament consumed during this print job.
+    /// Derived from mm_extruded × cross_section_area × material_density,
+    /// or measured directly from AMS weight delta.
+    /// </summary>
+    public decimal GramsUsed { get; set; }
+
+    /// <summary>
+    /// Millimeters of filament extruded for this usage record.
+    /// The primary physical measurement; grams_used is derived from this.
+    /// </summary>
+    public decimal MmExtruded { get; set; }
+
+    /// <summary>
+    /// Timestamp when this usage record was created (UTC).
+    /// Represents when the usage was first logged, which may differ from
+    /// the print job's started_at or completed_at timestamps.
+    /// </summary>
+    public DateTime RecordedAt { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// Optional notes about this usage record (e.g., "AMS tray 3", "manual weight check").
+    /// </summary>
+    public string? Notes { get; set; }
+}

backend/Domain/Entities/PrintJob.cs

@@ -97,4 +97,10 @@ public class PrintJob : AuditableEntity
     /// Optional notes about the print job (e.g., "First layer adhesion issues").
     /// </summary>
     public string? Notes { get; set; }
+
+    /// <summary>
+    /// Navigation collection of filament usage records for this print job.
+    /// Enables tracking granular per-spool consumption within a print.
+    /// </summary>
+    public ICollection<FilamentUsage> FilamentUsages { get; set; } = new List<FilamentUsage>();
 }

backend/Domain/Entities/Printer.cs

@@ -94,4 +94,10 @@ public class Printer : AuditableEntity
     /// Navigation collection of print jobs executed on this printer.
     /// </summary>
     public ICollection<PrintJob> PrintJobs { get; set; } = new List<PrintJob>();
+
+    /// <summary>
+    /// Navigation collection of filament usage records tracking consumption on this printer.
+    /// Enables querying per-printer filament usage and COGS.
+    /// </summary>
+    public ICollection<FilamentUsage> FilamentUsages { get; set; } = new List<FilamentUsage>();
 }

backend/Domain/Entities/Spool.cs

@@ -102,4 +102,10 @@ public class Spool : AuditableEntity
     /// Navigation collection of print jobs that consumed filament from this spool.
     /// </summary>
     public ICollection<PrintJob> PrintJobs { get; set; } = new List<PrintJob>();
+
+    /// <summary>
+    /// Navigation collection of filament usage records tracking consumption from this spool.
+    /// Enables querying how much filament was consumed per print job.
+    /// </summary>
+    public ICollection<FilamentUsage> FilamentUsages { get; set; } = new List<FilamentUsage>();
 }

backend/Extrudex.csproj

@@ -9,6 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="AspNetCore.HealthChecks.NpgSql" Version="9.0.0" />
     <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="12.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.3" />

backend/Infrastructure/Data/Configurations/BaseEntityConfiguration.cs

@@ -49,15 +49,26 @@ public abstract class BaseEntityConfiguration<TEntity> : IEntityTypeConfiguratio
     }
 
     /// <summary>
-    /// Converts PascalCase or camelCase to snake_case.
+    /// Converts PascalCase or camelCase entity name to plural snake_case table name.
+    /// e.g. MaterialBase → material_bases, AmsSlot → ams_slots
     /// </summary>
     protected static string ToSnakeCase(string name)
     {
-        return string.Concat(
+        var snake = string.Concat(
                 name.Select((ch, i) =>
                     i > 0 && char.IsUpper(ch) && (char.IsLower(name[i - 1]) || (i + 1 < name.Length && char.IsLower(name[i + 1])))
                         ? "_" + ch
                         : ch.ToString()))
             .ToLowerInvariant();
+
+        // Pluralize: add 's' (handles most cases; irregular plurals handled explicitly if needed)
+        // Special cases: already_plural stays, 'y' → 'ies', 's'/'x'/'ch'/'sh' → 'es'
+        if (snake.EndsWith("s"))
+            return snake; // Already plural or ambiguous — leave as-is
+        if (snake.EndsWith("y") && !snake.EndsWith("ay") && !snake.EndsWith("ey") && !snake.EndsWith("oy") && !snake.EndsWith("uy"))
+            return snake[..^1] + "ies";
+        if (snake.EndsWith("x") || snake.EndsWith("ch") || snake.EndsWith("sh"))
+            return snake + "es";
+        return snake + "s";
     }
 }

backend/Infrastructure/Data/Configurations/FilamentUsageConfiguration.cs

@@ -0,0 +1,83 @@
+using Extrudex.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Extrudex.Infrastructure.Data.Configurations;
+
+public class FilamentUsageConfiguration : BaseEntityConfiguration<FilamentUsage>
+{
+    public override void Configure(EntityTypeBuilder<FilamentUsage> builder)
+    {
+        base.Configure(builder);
+
+        builder.Property(e => e.PrintJobId)
+            .HasColumnName("print_job_id")
+            .IsRequired();
+
+        builder.Property(e => e.SpoolId)
+            .HasColumnName("spool_id")
+            .IsRequired();
+
+        builder.Property(e => e.PrinterId)
+            .HasColumnName("printer_id")
+            .IsRequired();
+
+        builder.Property(e => e.GramsUsed)
+            .HasColumnName("grams_used")
+            .HasPrecision(10, 2)
+            .IsRequired();
+
+        builder.Property(e => e.MmExtruded)
+            .HasColumnName("mm_extruded")
+            .HasPrecision(12, 2)
+            .IsRequired();
+
+        builder.Property(e => e.RecordedAt)
+            .HasColumnName("recorded_at")
+            .HasDefaultValueSql("now() at time zone 'utc'")
+            .IsRequired();
+
+        builder.Property(e => e.Notes)
+            .HasColumnName("notes")
+            .HasMaxLength(2000);
+
+        // Index on print_job_id for querying usage by print job
+        builder.HasIndex(e => e.PrintJobId)
+            .HasDatabaseName("ix_filament_usages_print_job_id");
+
+        // Index on spool_id for querying usage by spool (filament)
+        builder.HasIndex(e => e.SpoolId)
+            .HasDatabaseName("ix_filament_usages_spool_id");
+
+        // Index on printer_id for querying usage by printer
+        builder.HasIndex(e => e.PrinterId)
+            .HasDatabaseName("ix_filament_usages_printer_id");
+
+        // Index on recorded_at for time-range queries
+        builder.HasIndex(e => e.RecordedAt)
+            .HasDatabaseName("ix_filament_usages_recorded_at");
+
+        // Composite index for querying usage by spool within a date range
+        builder.HasIndex(e => new { e.SpoolId, e.RecordedAt })
+            .HasDatabaseName("ix_filament_usages_spool_id_recorded_at");
+
+        // Relationships
+        builder.HasOne(e => e.PrintJob)
+            .WithMany(e => e.FilamentUsages)
+            .HasForeignKey(e => e.PrintJobId)
+            .HasConstraintName("fk_filament_usages_print_job")
+            .OnDelete(DeleteBehavior.Cascade);
+
+        builder.HasOne(e => e.Spool)
+            .WithMany(e => e.FilamentUsages)
+            .HasForeignKey(e => e.SpoolId)
+            .HasConstraintName("fk_filament_usages_spool")
+            .OnDelete(DeleteBehavior.Restrict);
+
+        builder.HasOne(e => e.Printer)
+            .WithMany(e => e.FilamentUsages)
+            .HasForeignKey(e => e.PrinterId)
+            .HasConstraintName("fk_filament_usages_printer")
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}

backend/Infrastructure/Data/Configurations/SpoolConfiguration.cs

@@ -77,6 +77,14 @@ public class SpoolConfiguration : BaseEntityConfiguration<Spool>
         builder.HasIndex(e => e.MaterialBaseId)
             .HasDatabaseName("ix_spools_material_base_id");
 
+        // Index on material_finish_id for spool filtering
+        builder.HasIndex(e => e.MaterialFinishId)
+            .HasDatabaseName("ix_spools_material_finish_id");
+
+        // Index on material_modifier_id for spool filtering
+        builder.HasIndex(e => e.MaterialModifierId)
+            .HasDatabaseName("ix_spools_material_modifier_id");
+
         // Index on is_active for active spool queries
         builder.HasIndex(e => e.IsActive)
             .HasDatabaseName("ix_spools_is_active");

backend/Infrastructure/Data/ExtrudexDbContext.cs

@@ -23,6 +23,7 @@ public class ExtrudexDbContext : DbContext
     public DbSet<AmsUnit> AmsUnits => Set<AmsUnit>();
     public DbSet<AmsSlot> AmsSlots => Set<AmsSlot>();
     public DbSet<PrintJob> PrintJobs => Set<PrintJob>();
+    public DbSet<FilamentUsage> FilamentUsages => Set<FilamentUsage>();
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {

backend/Infrastructure/Data/Migrations/20260426131419_InitialCreate.Designer.cs

@@ -0,0 +1,958 @@
+// <auto-generated />
+using System;
+using Extrudex.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Extrudex.Infrastructure.Data.Migrations
+{
+    [DbContext(typeof(ExtrudexDbContext))]
+    [Migration("20260426131419_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.AmsSlot", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<Guid>("AmsUnitId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("ams_unit_id");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<decimal?>("RemainingWeightG")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasColumnName("remaining_weight_g");
+
+                    b.Property<Guid?>("SpoolId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("spool_id");
+
+                    b.Property<int>("TrayIndex")
+                        .HasColumnType("integer")
+                        .HasColumnName("tray_index");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SpoolId")
+                        .HasDatabaseName("ix_ams_slots_spool_id");
+
+                    b.HasIndex("AmsUnitId", "TrayIndex")
+                        .IsUnique()
+                        .HasDatabaseName("ix_ams_slots_ams_unit_id_tray_index");
+
+                    b.ToTable("ams_slots", (string)null);
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.AmsUnit", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<Guid>("PrinterId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("printer_id");
+
+                    b.Property<int>("UnitIndex")
+                        .HasColumnType("integer")
+                        .HasColumnName("unit_index");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PrinterId", "UnitIndex")
+                        .IsUnique()
+                        .HasDatabaseName("ix_ams_units_printer_id_unit_index");
+
+                    b.ToTable("ams_units", (string)null);
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialBase", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<decimal>("DensityGperCm3")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("numeric(10,4)")
+                        .HasColumnName("density_g_per_cm3");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasColumnName("name");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_material_bases_name");
+
+                    b.ToTable("material_bases", (string)null);
+
+                    b.HasData(
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000001"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096),
+                            DensityGperCm3 = 1.24m,
+                            Name = "PLA",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096)
+                        },
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000002"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620),
+                            DensityGperCm3 = 1.27m,
+                            Name = "PETG",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620)
+                        },
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000003"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630),
+                            DensityGperCm3 = 1.04m,
+                            Name = "ABS",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630)
+                        },
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000004"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638),
+                            DensityGperCm3 = 1.07m,
+                            Name = "ASA",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638)
+                        },
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000005"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645),
+                            DensityGperCm3 = 1.21m,
+                            Name = "TPU",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645)
+                        },
+                        new
+                        {
+                            Id = new Guid("10000000-0000-0000-0000-000000000006"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1651),
+                            DensityGperCm3 = 1.14m,
+                            Name = "Nylon",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1652)
+                        });
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialFinish", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<Guid>("MaterialBaseId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("material_base_id");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasColumnName("name");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MaterialBaseId", "Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_material_finishes_material_base_id_name");
+
+                    b.ToTable("material_finishes", (string)null);
+
+                    b.HasData(
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000001"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000002"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Matte",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000003"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Silk",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000004"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2055),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Glitter",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2056)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000005"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Marble",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000006"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Sparkle",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000007"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000002"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000008"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000002"),
+                            Name = "Matte",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000009"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000002"),
+                            Name = "Silk",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000010"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000003"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000011"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000003"),
+                            Name = "Matte",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000012"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000004"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000013"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000004"),
+                            Name = "Matte",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000014"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2132),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000005"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2133)
+                        },
+                        new
+                        {
+                            Id = new Guid("20000000-0000-0000-0000-000000000015"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000006"),
+                            Name = "Basic",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139)
+                        });
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialModifier", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<Guid>("MaterialBaseId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("material_base_id");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)")
+                        .HasColumnName("name");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MaterialBaseId", "Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_material_modifiers_material_base_id_name");
+
+                    b.ToTable("material_modifiers", (string)null);
+
+                    b.HasData(
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000001"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Carbon Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000002"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Glass Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000003"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Wood Fill",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000004"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2477),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000001"),
+                            Name = "Glow-in-the-Dark",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2478)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000005"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000002"),
+                            Name = "Carbon Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000006"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2490),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000002"),
+                            Name = "Glass Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2491)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000007"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000003"),
+                            Name = "Carbon Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000008"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000003"),
+                            Name = "Glass Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000009"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000004"),
+                            Name = "Carbon Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000010"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000006"),
+                            Name = "Carbon Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516)
+                        },
+                        new
+                        {
+                            Id = new Guid("30000000-0000-0000-0000-000000000011"),
+                            CreatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2522),
+                            MaterialBaseId = new Guid("10000000-0000-0000-0000-000000000006"),
+                            Name = "Glass Fiber",
+                            UpdatedAt = new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2523)
+                        });
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.PrintJob", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<DateTime?>("CompletedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("completed_at");
+
+                    b.Property<decimal?>("CostPerPrint")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("numeric(10,4)")
+                        .HasColumnName("cost_per_print");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<string>("DataSource")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasColumnName("data_source");
+
+                    b.Property<decimal>("FilamentDiameterAtPrintMm")
+                        .HasPrecision(6, 3)
+                        .HasColumnType("numeric(6,3)")
+                        .HasColumnName("filament_diameter_at_print_mm");
+
+                    b.Property<string>("GcodeFilePath")
+                        .HasMaxLength(1000)
+                        .HasColumnType("character varying(1000)")
+                        .HasColumnName("gcode_file_path");
+
+                    b.Property<decimal>("GramsDerived")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasColumnName("grams_derived");
+
+                    b.Property<decimal>("MaterialDensityAtPrint")
+                        .HasPrecision(10, 4)
+                        .HasColumnType("numeric(10,4)")
+                        .HasColumnName("material_density_at_print");
+
+                    b.Property<decimal>("MmExtruded")
+                        .HasPrecision(12, 2)
+                        .HasColumnType("numeric(12,2)")
+                        .HasColumnName("mm_extruded");
+
+                    b.Property<string>("Notes")
+                        .HasMaxLength(2000)
+                        .HasColumnType("character varying(2000)")
+                        .HasColumnName("notes");
+
+                    b.Property<string>("PrintName")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasColumnName("print_name");
+
+                    b.Property<Guid>("PrinterId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("printer_id");
+
+                    b.Property<Guid>("SpoolId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("spool_id");
+
+                    b.Property<DateTime?>("StartedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("started_at");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasDefaultValue("Queued")
+                        .HasColumnName("status");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DataSource")
+                        .HasDatabaseName("ix_print_jobs_data_source");
+
+                    b.HasIndex("PrinterId")
+                        .HasDatabaseName("ix_print_jobs_printer_id");
+
+                    b.HasIndex("SpoolId")
+                        .HasDatabaseName("ix_print_jobs_spool_id");
+
+                    b.HasIndex("Status")
+                        .HasDatabaseName("ix_print_jobs_status");
+
+                    b.ToTable("print_jobs", (string)null);
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.Printer", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<string>("ApiKey")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasColumnName("api_key");
+
+                    b.Property<string>("ConnectionType")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasColumnName("connection_type");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<string>("HostnameOrIp")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)")
+                        .HasColumnName("hostname_or_ip");
+
+                    b.Property<bool>("IsActive")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasColumnName("is_active");
+
+                    b.Property<DateTime?>("LastSeenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_seen_at");
+
+                    b.Property<string>("Manufacturer")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("manufacturer");
+
+                    b.Property<string>("Model")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("model");
+
+                    b.Property<string>("MqttPassword")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("character varying(500)")
+                        .HasColumnName("mqtt_password");
+
+                    b.Property<bool>("MqttUseTls")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false)
+                        .HasColumnName("mqtt_use_tls");
+
+                    b.Property<string>("MqttUsername")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("mqtt_username");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("name");
+
+                    b.Property<int>("Port")
+                        .HasColumnType("integer")
+                        .HasColumnName("port");
+
+                    b.Property<string>("PrinterType")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasColumnName("printer_type");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)")
+                        .HasDefaultValue("Offline")
+                        .HasColumnName("status");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ConnectionType")
+                        .HasDatabaseName("ix_printers_connection_type");
+
+                    b.HasIndex("IsActive")
+                        .HasDatabaseName("ix_printers_is_active");
+
+                    b.HasIndex("PrinterType")
+                        .HasDatabaseName("ix_printers_printer_type");
+
+                    b.HasIndex("Status")
+                        .HasDatabaseName("ix_printers_status");
+
+                    b.ToTable("printers", (string)null);
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.Spool", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid")
+                        .HasColumnName("id");
+
+                    b.Property<string>("Brand")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("brand");
+
+                    b.Property<string>("ColorHex")
+                        .IsRequired()
+                        .HasMaxLength(7)
+                        .HasColumnType("character varying(7)")
+                        .HasColumnName("color_hex");
+
+                    b.Property<string>("ColorName")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("color_name");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<decimal>("FilamentDiameterMm")
+                        .HasPrecision(6, 3)
+                        .HasColumnType("numeric(6,3)")
+                        .HasColumnName("filament_diameter_mm");
+
+                    b.Property<bool>("IsActive")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasColumnName("is_active");
+
+                    b.Property<Guid>("MaterialBaseId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("material_base_id");
+
+                    b.Property<Guid>("MaterialFinishId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("material_finish_id");
+
+                    b.Property<Guid?>("MaterialModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("material_modifier_id");
+
+                    b.Property<DateTime?>("PurchaseDate")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("purchase_date");
+
+                    b.Property<decimal?>("PurchasePrice")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasColumnName("purchase_price");
+
+                    b.Property<string>("SpoolSerial")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("character varying(200)")
+                        .HasColumnName("spool_serial");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("updated_at")
+                        .HasDefaultValueSql("now() at time zone 'utc'");
+
+                    b.Property<decimal>("WeightRemainingGrams")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasColumnName("weight_remaining_grams");
+
+                    b.Property<decimal>("WeightTotalGrams")
+                        .HasPrecision(10, 2)
+                        .HasColumnType("numeric(10,2)")
+                        .HasColumnName("weight_total_grams");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("IsActive")
+                        .HasDatabaseName("ix_spools_is_active");
+
+                    b.HasIndex("MaterialBaseId")
+                        .HasDatabaseName("ix_spools_material_base_id");
+
+                    b.HasIndex("MaterialFinishId")
+                        .HasDatabaseName("ix_spools_material_finish_id");
+
+                    b.HasIndex("MaterialModifierId")
+                        .HasDatabaseName("ix_spools_material_modifier_id");
+
+                    b.HasIndex("SpoolSerial")
+                        .IsUnique()
+                        .HasDatabaseName("ix_spools_spool_serial");
+
+                    b.ToTable("spools", (string)null);
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.AmsSlot", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.AmsUnit", "AmsUnit")
+                        .WithMany("Slots")
+                        .HasForeignKey("AmsUnitId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_ams_slots_ams_unit");
+
+                    b.HasOne("Extrudex.Domain.Entities.Spool", "Spool")
+                        .WithMany("AmsSlots")
+                        .HasForeignKey("SpoolId")
+                        .OnDelete(DeleteBehavior.SetNull)
+                        .HasConstraintName("fk_ams_slots_spool");
+
+                    b.Navigation("AmsUnit");
+
+                    b.Navigation("Spool");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.AmsUnit", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.Printer", "Printer")
+                        .WithMany("AmsUnits")
+                        .HasForeignKey("PrinterId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_ams_units_printer");
+
+                    b.Navigation("Printer");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialFinish", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.MaterialBase", "MaterialBase")
+                        .WithMany("Finishes")
+                        .HasForeignKey("MaterialBaseId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_material_finishes_material_base");
+
+                    b.Navigation("MaterialBase");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialModifier", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.MaterialBase", "MaterialBase")
+                        .WithMany("Modifiers")
+                        .HasForeignKey("MaterialBaseId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_material_modifiers_material_base");
+
+                    b.Navigation("MaterialBase");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.PrintJob", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.Printer", "Printer")
+                        .WithMany("PrintJobs")
+                        .HasForeignKey("PrinterId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_print_jobs_printer");
+
+                    b.HasOne("Extrudex.Domain.Entities.Spool", "Spool")
+                        .WithMany("PrintJobs")
+                        .HasForeignKey("SpoolId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_print_jobs_spool");
+
+                    b.Navigation("Printer");
+
+                    b.Navigation("Spool");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.Spool", b =>
+                {
+                    b.HasOne("Extrudex.Domain.Entities.MaterialBase", "MaterialBase")
+                        .WithMany("Spools")
+                        .HasForeignKey("MaterialBaseId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_spools_material_base");
+
+                    b.HasOne("Extrudex.Domain.Entities.MaterialFinish", "MaterialFinish")
+                        .WithMany("Spools")
+                        .HasForeignKey("MaterialFinishId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_spools_material_finish");
+
+                    b.HasOne("Extrudex.Domain.Entities.MaterialModifier", "MaterialModifier")
+                        .WithMany("Spools")
+                        .HasForeignKey("MaterialModifierId")
+                        .OnDelete(DeleteBehavior.SetNull)
+                        .HasConstraintName("fk_spools_material_modifier");
+
+                    b.Navigation("MaterialBase");
+
+                    b.Navigation("MaterialFinish");
+
+                    b.Navigation("MaterialModifier");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.AmsUnit", b =>
+                {
+                    b.Navigation("Slots");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialBase", b =>
+                {
+                    b.Navigation("Finishes");
+
+                    b.Navigation("Modifiers");
+
+                    b.Navigation("Spools");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialFinish", b =>
+                {
+                    b.Navigation("Spools");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.MaterialModifier", b =>
+                {
+                    b.Navigation("Spools");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.Printer", b =>
+                {
+                    b.Navigation("AmsUnits");
+
+                    b.Navigation("PrintJobs");
+                });
+
+            modelBuilder.Entity("Extrudex.Domain.Entities.Spool", b =>
+                {
+                    b.Navigation("AmsSlots");
+
+                    b.Navigation("PrintJobs");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

backend/Infrastructure/Data/Migrations/20260426131419_InitialCreate.cs

@@ -0,0 +1,416 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+#pragma warning disable CA1814 // Prefer jagged arrays over multidimensional
+
+namespace Extrudex.Infrastructure.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "material_bases",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    density_g_per_cm3 = table.Column<decimal>(type: "numeric(10,4)", precision: 10, scale: 4, nullable: false),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_material_bases", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "printers",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    status = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false, defaultValue: "Offline"),
+                    name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    manufacturer = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    model = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    printer_type = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    connection_type = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    hostname_or_ip = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    port = table.Column<int>(type: "integer", nullable: false),
+                    mqtt_username = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    mqtt_password = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
+                    mqtt_use_tls = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
+                    api_key = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
+                    is_active = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
+                    last_seen_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_printers", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "material_finishes",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    material_base_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_material_finishes", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_material_finishes_material_base",
+                        column: x => x.material_base_id,
+                        principalTable: "material_bases",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "material_modifiers",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    material_base_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_material_modifiers", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_material_modifiers_material_base",
+                        column: x => x.material_base_id,
+                        principalTable: "material_bases",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ams_units",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    unit_index = table.Column<int>(type: "integer", nullable: false),
+                    printer_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ams_units", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_ams_units_printer",
+                        column: x => x.printer_id,
+                        principalTable: "printers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "spools",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    material_base_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    material_finish_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    material_modifier_id = table.Column<Guid>(type: "uuid", nullable: true),
+                    brand = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    color_name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    color_hex = table.Column<string>(type: "character varying(7)", maxLength: 7, nullable: false),
+                    weight_total_grams = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false),
+                    weight_remaining_grams = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false),
+                    filament_diameter_mm = table.Column<decimal>(type: "numeric(6,3)", precision: 6, scale: 3, nullable: false),
+                    spool_serial = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    purchase_price = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: true),
+                    purchase_date = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    is_active = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_spools", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_spools_material_base",
+                        column: x => x.material_base_id,
+                        principalTable: "material_bases",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "fk_spools_material_finish",
+                        column: x => x.material_finish_id,
+                        principalTable: "material_finishes",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "fk_spools_material_modifier",
+                        column: x => x.material_modifier_id,
+                        principalTable: "material_modifiers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ams_slots",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    tray_index = table.Column<int>(type: "integer", nullable: false),
+                    ams_unit_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    spool_id = table.Column<Guid>(type: "uuid", nullable: true),
+                    remaining_weight_g = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: true),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ams_slots", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_ams_slots_ams_unit",
+                        column: x => x.ams_unit_id,
+                        principalTable: "ams_units",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_ams_slots_spool",
+                        column: x => x.spool_id,
+                        principalTable: "spools",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "print_jobs",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    printer_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    spool_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    print_name = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
+                    gcode_file_path = table.Column<string>(type: "character varying(1000)", maxLength: 1000, nullable: true),
+                    mm_extruded = table.Column<decimal>(type: "numeric(12,2)", precision: 12, scale: 2, nullable: false),
+                    grams_derived = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false),
+                    cost_per_print = table.Column<decimal>(type: "numeric(10,4)", precision: 10, scale: 4, nullable: true),
+                    started_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    completed_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    status = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false, defaultValue: "Queued"),
+                    data_source = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: false),
+                    filament_diameter_at_print_mm = table.Column<decimal>(type: "numeric(6,3)", precision: 6, scale: 3, nullable: false),
+                    material_density_at_print = table.Column<decimal>(type: "numeric(10,4)", precision: 10, scale: 4, nullable: false),
+                    notes = table.Column<string>(type: "character varying(2000)", maxLength: 2000, nullable: true),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_print_jobs", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_print_jobs_printer",
+                        column: x => x.printer_id,
+                        principalTable: "printers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "fk_print_jobs_spool",
+                        column: x => x.spool_id,
+                        principalTable: "spools",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.InsertData(
+                table: "material_bases",
+                columns: new[] { "id", "created_at", "density_g_per_cm3", "name", "updated_at" },
+                values: new object[,]
+                {
+                    { new Guid("10000000-0000-0000-0000-000000000001"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096), 1.24m, "PLA", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096) },
+                    { new Guid("10000000-0000-0000-0000-000000000002"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620), 1.27m, "PETG", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620) },
+                    { new Guid("10000000-0000-0000-0000-000000000003"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630), 1.04m, "ABS", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630) },
+                    { new Guid("10000000-0000-0000-0000-000000000004"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638), 1.07m, "ASA", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638) },
+                    { new Guid("10000000-0000-0000-0000-000000000005"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645), 1.21m, "TPU", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645) },
+                    { new Guid("10000000-0000-0000-0000-000000000006"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1651), 1.14m, "Nylon", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1652) }
+                });
+
+            migrationBuilder.InsertData(
+                table: "material_finishes",
+                columns: new[] { "id", "created_at", "material_base_id", "name", "updated_at" },
+                values: new object[,]
+                {
+                    { new Guid("20000000-0000-0000-0000-000000000001"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850), new Guid("10000000-0000-0000-0000-000000000001"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850) },
+                    { new Guid("20000000-0000-0000-0000-000000000002"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041), new Guid("10000000-0000-0000-0000-000000000001"), "Matte", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041) },
+                    { new Guid("20000000-0000-0000-0000-000000000003"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049), new Guid("10000000-0000-0000-0000-000000000001"), "Silk", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049) },
+                    { new Guid("20000000-0000-0000-0000-000000000004"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2055), new Guid("10000000-0000-0000-0000-000000000001"), "Glitter", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2056) },
+                    { new Guid("20000000-0000-0000-0000-000000000005"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062), new Guid("10000000-0000-0000-0000-000000000001"), "Marble", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062) },
+                    { new Guid("20000000-0000-0000-0000-000000000006"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068), new Guid("10000000-0000-0000-0000-000000000001"), "Sparkle", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068) },
+                    { new Guid("20000000-0000-0000-0000-000000000007"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075), new Guid("10000000-0000-0000-0000-000000000002"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075) },
+                    { new Guid("20000000-0000-0000-0000-000000000008"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081), new Guid("10000000-0000-0000-0000-000000000002"), "Matte", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081) },
+                    { new Guid("20000000-0000-0000-0000-000000000009"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100), new Guid("10000000-0000-0000-0000-000000000002"), "Silk", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100) },
+                    { new Guid("20000000-0000-0000-0000-000000000010"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107), new Guid("10000000-0000-0000-0000-000000000003"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107) },
+                    { new Guid("20000000-0000-0000-0000-000000000011"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113), new Guid("10000000-0000-0000-0000-000000000003"), "Matte", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113) },
+                    { new Guid("20000000-0000-0000-0000-000000000012"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120), new Guid("10000000-0000-0000-0000-000000000004"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120) },
+                    { new Guid("20000000-0000-0000-0000-000000000013"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126), new Guid("10000000-0000-0000-0000-000000000004"), "Matte", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126) },
+                    { new Guid("20000000-0000-0000-0000-000000000014"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2132), new Guid("10000000-0000-0000-0000-000000000005"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2133) },
+                    { new Guid("20000000-0000-0000-0000-000000000015"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139), new Guid("10000000-0000-0000-0000-000000000006"), "Basic", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139) }
+                });
+
+            migrationBuilder.InsertData(
+                table: "material_modifiers",
+                columns: new[] { "id", "created_at", "material_base_id", "name", "updated_at" },
+                values: new object[,]
+                {
+                    { new Guid("30000000-0000-0000-0000-000000000001"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304), new Guid("10000000-0000-0000-0000-000000000001"), "Carbon Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304) },
+                    { new Guid("30000000-0000-0000-0000-000000000002"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463), new Guid("10000000-0000-0000-0000-000000000001"), "Glass Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463) },
+                    { new Guid("30000000-0000-0000-0000-000000000003"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471), new Guid("10000000-0000-0000-0000-000000000001"), "Wood Fill", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471) },
+                    { new Guid("30000000-0000-0000-0000-000000000004"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2477), new Guid("10000000-0000-0000-0000-000000000001"), "Glow-in-the-Dark", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2478) },
+                    { new Guid("30000000-0000-0000-0000-000000000005"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484), new Guid("10000000-0000-0000-0000-000000000002"), "Carbon Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484) },
+                    { new Guid("30000000-0000-0000-0000-000000000006"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2490), new Guid("10000000-0000-0000-0000-000000000002"), "Glass Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2491) },
+                    { new Guid("30000000-0000-0000-0000-000000000007"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497), new Guid("10000000-0000-0000-0000-000000000003"), "Carbon Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497) },
+                    { new Guid("30000000-0000-0000-0000-000000000008"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503), new Guid("10000000-0000-0000-0000-000000000003"), "Glass Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503) },
+                    { new Guid("30000000-0000-0000-0000-000000000009"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510), new Guid("10000000-0000-0000-0000-000000000004"), "Carbon Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510) },
+                    { new Guid("30000000-0000-0000-0000-000000000010"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516), new Guid("10000000-0000-0000-0000-000000000006"), "Carbon Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516) },
+                    { new Guid("30000000-0000-0000-0000-000000000011"), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2522), new Guid("10000000-0000-0000-0000-000000000006"), "Glass Fiber", new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2523) }
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_ams_slots_ams_unit_id_tray_index",
+                table: "ams_slots",
+                columns: new[] { "ams_unit_id", "tray_index" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_ams_slots_spool_id",
+                table: "ams_slots",
+                column: "spool_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_ams_units_printer_id_unit_index",
+                table: "ams_units",
+                columns: new[] { "printer_id", "unit_index" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_material_bases_name",
+                table: "material_bases",
+                column: "name",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_material_finishes_material_base_id_name",
+                table: "material_finishes",
+                columns: new[] { "material_base_id", "name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_material_modifiers_material_base_id_name",
+                table: "material_modifiers",
+                columns: new[] { "material_base_id", "name" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_print_jobs_data_source",
+                table: "print_jobs",
+                column: "data_source");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_print_jobs_printer_id",
+                table: "print_jobs",
+                column: "printer_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_print_jobs_spool_id",
+                table: "print_jobs",
+                column: "spool_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_print_jobs_status",
+                table: "print_jobs",
+                column: "status");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_printers_connection_type",
+                table: "printers",
+                column: "connection_type");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_printers_is_active",
+                table: "printers",
+                column: "is_active");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_printers_printer_type",
+                table: "printers",
+                column: "printer_type");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_printers_status",
+                table: "printers",
+                column: "status");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_spools_is_active",
+                table: "spools",
+                column: "is_active");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_spools_material_base_id",
+                table: "spools",
+                column: "material_base_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_spools_material_finish_id",
+                table: "spools",
+                column: "material_finish_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_spools_material_modifier_id",
+                table: "spools",
+                column: "material_modifier_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_spools_spool_serial",
+                table: "spools",
+                column: "spool_serial",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ams_slots");
+
+            migrationBuilder.DropTable(
+                name: "print_jobs");
+
+            migrationBuilder.DropTable(
+                name: "ams_units");
+
+            migrationBuilder.DropTable(
+                name: "spools");
+
+            migrationBuilder.DropTable(
+                name: "printers");
+
+            migrationBuilder.DropTable(
+                name: "material_finishes");
+
+            migrationBuilder.DropTable(
+                name: "material_modifiers");
+
+            migrationBuilder.DropTable(
+                name: "material_bases");
+        }
+    }
+}

backend/Infrastructure/Data/Migrations/20260426183433_AddFilamentUsageTrackingModel.cs

@@ -0,0 +1,533 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Extrudex.Infrastructure.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddFilamentUsageTrackingModel : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "filament_usages",
+                columns: table => new
+                {
+                    id = table.Column<Guid>(type: "uuid", nullable: false),
+                    print_job_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    spool_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    printer_id = table.Column<Guid>(type: "uuid", nullable: false),
+                    grams_used = table.Column<decimal>(type: "numeric(10,2)", precision: 10, scale: 2, nullable: false),
+                    mm_extruded = table.Column<decimal>(type: "numeric(12,2)", precision: 12, scale: 2, nullable: false),
+                    recorded_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    notes = table.Column<string>(type: "character varying(2000)", maxLength: 2000, nullable: true),
+                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'"),
+                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now() at time zone 'utc'")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_filament_usages", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_filament_usages_print_job",
+                        column: x => x.print_job_id,
+                        principalTable: "print_jobs",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_filament_usages_printer",
+                        column: x => x.printer_id,
+                        principalTable: "printers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "fk_filament_usages_spool",
+                        column: x => x.spool_id,
+                        principalTable: "spools",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9388), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9388) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9871), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9871) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9881), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9881) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9888), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9888) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9895), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9895) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9901), new DateTime(2026, 4, 26, 18, 34, 33, 291, DateTimeKind.Utc).AddTicks(9902) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(90), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(90) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(251), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(251) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(259), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(259) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(266), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(266) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(272), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(272) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(278), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(278) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000007"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(285), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(285) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000008"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(291), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(291) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000009"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(297), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(298) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000010"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(304), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(304) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000011"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(310), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(310) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000012"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(316), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(317) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000013"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(323), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(323) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000014"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(329), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(329) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000015"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(336), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(336) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(482), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(482) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(805), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(806) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(815), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(815) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(821), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(821) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(828), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(828) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(834), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(834) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000007"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(840), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(840) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000008"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(847), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(847) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000009"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(853), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(853) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000010"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(859), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(860) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000011"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(866), new DateTime(2026, 4, 26, 18, 34, 33, 292, DateTimeKind.Utc).AddTicks(866) });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_filament_usages_print_job_id",
+                table: "filament_usages",
+                column: "print_job_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_filament_usages_printer_id",
+                table: "filament_usages",
+                column: "printer_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_filament_usages_recorded_at",
+                table: "filament_usages",
+                column: "recorded_at");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_filament_usages_spool_id",
+                table: "filament_usages",
+                column: "spool_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_filament_usages_spool_id_recorded_at",
+                table: "filament_usages",
+                columns: new[] { "spool_id", "recorded_at" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "filament_usages");
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1096) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1620) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1630) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1638) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1645) });
+
+            migrationBuilder.UpdateData(
+                table: "material_bases",
+                keyColumn: "id",
+                keyValue: new Guid("10000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1651), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1652) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(1850) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2041) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2049) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2055), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2056) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2062) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2068) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000007"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2075) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000008"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2081) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000009"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2100) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000010"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2107) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000011"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2113) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000012"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2120) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000013"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2126) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000014"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2132), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2133) });
+
+            migrationBuilder.UpdateData(
+                table: "material_finishes",
+                keyColumn: "id",
+                keyValue: new Guid("20000000-0000-0000-0000-000000000015"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2139) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000001"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2304) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000002"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2463) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000003"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2471) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000004"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2477), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2478) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000005"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2484) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000006"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2490), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2491) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000007"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2497) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000008"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2503) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000009"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2510) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000010"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2516) });
+
+            migrationBuilder.UpdateData(
+                table: "material_modifiers",
+                keyColumn: "id",
+                keyValue: new Guid("30000000-0000-0000-0000-000000000011"),
+                columns: new[] { "created_at", "updated_at" },
+                values: new object[] { new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2522), new DateTime(2026, 4, 26, 13, 14, 18, 745, DateTimeKind.Utc).AddTicks(2523) });
+        }
+    }
+}

backend/Program.cs

@@ -1,4 +1,5 @@
 using System.Reflection;
+using Extrudex.API.Filters;
 using Extrudex.API.Hubs;
 using Extrudex.Domain.Interfaces;
 using Extrudex.Infrastructure.Data;
@@ -23,7 +24,10 @@ builder.Services.AddDbContext<ExtrudexDbContext>(options =>
     options.UseNpgsql(connectionString));
 
 // ── API Services ───────────────────────────────────────────
-builder.Services.AddControllers();
+builder.Services.AddControllers(options =>
+{
+    options.Filters.AddService<FluentValidationFilter>();
+});
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen(c =>
 {
@@ -50,6 +54,10 @@ builder.Services.AddSingleton<IQrCodeService, QrCodeService>();
 // Registers all validators from the API assembly into DI.
 builder.Services.AddValidatorsFromAssembly(Assembly.GetExecutingAssembly());
 
+// Register the FluentValidation action filter so validators run automatically
+// on all API controller actions before the action executes.
+builder.Services.AddScoped<FluentValidationFilter>();
+
 // ── CORS (kiosk + remote browser) ─────────────────────────
 // AllowAnyOrigin disallows credentials by spec; this is fine for
 // REST API calls. SignalR WebSockets negotiate without credentials
@@ -69,6 +77,10 @@ builder.Services.AddCors(options =>
 // ── SignalR (real-time printer updates) ────────────────────
 builder.Services.AddSignalR();
 
+// ── Health Checks ───────────────────────────────────────────
+builder.Services.AddHealthChecks()
+    .AddNpgSql(connectionString);
+
 var app = builder.Build();
 
 // ── Middleware ──────────────────────────────────────────────
@@ -85,6 +97,9 @@ app.MapControllers();
 // ── Hub Endpoints ───────────────────────────────────────────
 app.MapHub<PrinterHub>("/hubs/printer");
 
+// ── Health Check Endpoint ──────────────────────────────────
+app.MapHealthChecks("/health");
+
 app.Run();
 
 // Helper: builds a connection string from individual env vars.

deploy.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+set -e
+
+echo "🔧 Deploying Extrudex Docker runtime..."
+
+# Check if Docker Compose is available
+if ! command -v docker-compose &> /dev/null && ! docker compose version &> /dev/null; then
+    echo "❌ Docker Compose is not installed"
+    exit 1
+fi
+
+COMPOSE_CMD="docker compose"
+if command -v docker-compose &> /dev/null; then
+    COMPOSE_CMD="docker-compose"
+fi
+
+echo "📦 Building and starting services..."
+$COMPOSE_CMD -f docker-compose.dev.yml up -d --build
+
+echo "⏳ Waiting for services to become healthy..."
+sleep 10
+
+echo "✅ Deployment complete!"
+echo ""
+echo "Services running:"
+echo "  • Extrudex API: http://localhost:5080"
+echo "  • Control Center Web: http://localhost:5081"
+echo ""
+echo "To view logs:"
+echo "  $COMPOSE_CMD -f docker-compose.dev.yml logs -f"
+echo ""
+echo "To stop:"
+echo "  $COMPOSE_CMD -f docker-compose.dev.yml down"

docker-compose.dev.yml

@@ -0,0 +1,40 @@
+version: '3.8'
+
+services:
+  extrudex-api:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: extrudex-api
+    ports:
+      - "5080:8080"
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Development
+      - ASPNETCORE_URLS=http://+:8080
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+    networks:
+      - extrudex-network
+
+  control-center-web:
+    build:
+      context: ../Control-Center/frontend
+      dockerfile: Dockerfile
+    container_name: control-center-web
+    ports:
+      - "5081:80"
+    depends_on:
+      extrudex-api:
+        condition: service_healthy
+    restart: unless-stopped
+    networks:
+      - extrudex-network
+
+networks:
+  extrudex-network:
+    driver: bridge