Change to static skin catalog population

BlueLaminate/BlueLaminate.Cli/BlueLaminate.Cli.csproj

@@ -18,6 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.CommandLine" Version="2.0.8" />
+    <PackageReference Include="OpenTelemetry" Version="1.15.3" />
   </ItemGroup>
 
 </Project>

BlueLaminate/BlueLaminate.Cli/Logging/CompactConsoleLogExporter.cs

@@ -0,0 +1,23 @@
+using OpenTelemetry;
+using OpenTelemetry.Logs;
+
+namespace BlueLaminate.Cli.Logging;
+
+/// <summary>
+/// Minimal console sink for the OpenTelemetry log pipeline: one line per record
+/// as "{utc timestamp} {message}". Requires IncludeFormattedMessage so the
+/// message arrives with its template arguments already substituted.
+/// </summary>
+public sealed class CompactConsoleLogExporter : BaseExporter<LogRecord>
+{
+    public override ExportResult Export(in Batch<LogRecord> batch)
+    {
+        foreach (var record in batch)
+        {
+            var message = record.FormattedMessage ?? record.Body ?? string.Empty;
+            Console.WriteLine($"{record.Timestamp:yyyy-MM-dd HH:mm:ss.fff'Z'} {message}");
+        }
+
+        return ExportResult.Success;
+    }
+}

BlueLaminate/BlueLaminate.Cli/Program.cs

@@ -1,8 +1,25 @@
-using System.CommandLine;
 using BlueLaminate.Cli;
+using BlueLaminate.Cli.Logging;
 using BlueLaminate.EFCore.Data;
-using BlueLaminate.Scraper.Weapons;
+using BlueLaminate.Scraper.Skins;
-using BlueLaminate.Scraper.Wiki;
+using Microsoft.Extensions.Logging;
+using OpenTelemetry;
+using OpenTelemetry.Resources;
+using System.CommandLine;
+
+// OpenTelemetry logging through a compact console sink that prints one
+// "{utc timestamp} {message}" line per record. Swapping in an OTLP exporter
+// later is a change here. Disposed at process exit so buffered records flush.
+using var loggerFactory = LoggerFactory.Create(logging =>
+{
+    logging.AddOpenTelemetry(otel =>
+    {
+        otel.SetResourceBuilder(
+            ResourceBuilder.CreateDefault().AddService("BlueLaminate.Cli"));
+        otel.IncludeFormattedMessage = true;
+        otel.AddProcessor(new SimpleLogRecordExportProcessor(new CompactConsoleLogExporter()));
+    });
+});
 
 // Entry point: System.CommandLine builds the command tree, parsing, and help.
 // New features are added as additional commands here as they're implemented.
@@ -12,56 +29,73 @@ var forceOption = new Option<bool>("--force")
 };
 var dryRunOption = new Option<bool>("--dry-run")
 {
-    Description = "Scrape and print the weapons without writing to the database."
+    Description = "Load and print the skins without writing to the database."
 };
 
-var syncWeapons = new Command(
+var syncSkins = new Command(
-    "sync-weapons",
+    "sync-skins",
-    "Scrape the CS2 weapon catalogue from the wiki and upsert it (throttled to once a month).")
+    "Load the CS2 skin catalogue from the CSGO-API dataset and upsert it (throttled to once a month).")
 {
     forceOption,
     dryRunOption,
 };
-syncWeapons.SetAction((parseResult, ct) =>
+syncSkins.SetAction((parseResult, ct) =>
-    SyncWeaponsAsync(parseResult.GetValue(forceOption), parseResult.GetValue(dryRunOption), ct));
+    SyncSkinsAsync(
+        parseResult.GetValue(forceOption),
+        parseResult.GetValue(dryRunOption),
+        loggerFactory,
+        ct));
 
 var root = new RootCommand("BlueLaminate CLI — Counter-Strike skin tracker tools.")
 {
-    syncWeapons,
+    syncSkins,
 };
 
 return await root.Parse(args).InvokeAsync();
 
-// Fetch the CS2 weapon catalogue from the wiki and upsert it. Throttled to once
+// Load the CS2 skin catalogue from the CSGO-API dataset and upsert it. Weapons
-// a month unless --force is passed; --dry-run scrapes and prints without a DB.
+// and collections are derived from the skins themselves. Throttled to once a
-static async Task<int> SyncWeaponsAsync(bool force, bool dryRun, CancellationToken ct)
+// month unless --force; --dry-run loads and prints without a DB.
+static async Task<int> SyncSkinsAsync(
+    bool force, bool dryRun, ILoggerFactory loggerFactory, CancellationToken ct)
 {
-    var scraper = new WeaponWikiScraper(new WikiPageFetcher(CreateHttpClient()));
+    var logger = loggerFactory.CreateLogger("BlueLaminate.Cli.SyncSkins");
+    var client = new SkinCatalogClient(CreateHttpClient());
 
     if (dryRun)
     {
-        var weapons = await scraper.ScrapeAsync(ct);
+        logger.LogInformation("Loading skin catalogue (dry run — nothing will be written).");
-        Console.WriteLine($"Scraped {weapons.Count} weapons (dry run, nothing written):");
+        var skins = await client.FetchAsync(ct);
-        foreach (var w in weapons)
+        logger.LogInformation("Loaded {Count} skins.", skins.Count);
-            Console.WriteLine($"  {w.Name,-20} {w.Type,-16} {w.Team}");
+        Console.WriteLine($"Loaded {skins.Count} skins (dry run, nothing written):");
+        foreach (var s in skins)
+        {
+            var tags = (s.StatTrakAvailable ? " ST" : "") + (s.SouvenirAvailable ? " SV" : "");
+            var range = s.FloatMin is not null ? $"{s.FloatMin:0.00}-{s.FloatMax:0.00}" : "—";
+            var sources = s.Sources.Count > 0 ? string.Join(", ", s.Sources.Select(x => x.Name)) : "—";
+            Console.WriteLine(
+                $"  {s.WeaponName,-16} {s.Name,-24} {s.Rarity,-14} {range,-10} {sources}{tags}");
+        }
         return 0;
     }
 
     using var db = new SkinTrackerDbContextFactory().CreateDbContext([]);
-    var result = await new WeaponSyncService(db, scraper).SyncAsync(force, ct);
+    var service = new SkinSyncService(db, client, loggerFactory.CreateLogger<SkinSyncService>());
+    var result = await service.SyncAsync(force, ct);
 
     if (result.Skipped)
     {
         Console.WriteLine(
-            $"Skipped: weapons were last synced {result.LastRanAt:u}. "
+            $"Skipped: skins were last synced {result.LastRanAt:u}. "
             + "Next run allowed one month later — pass --force to override.");
     }
     else
     {
         Console.WriteLine(
-            $"Synced {result.Scraped} weapons: {result.Inserted} inserted, "
+            $"Synced {result.Loaded} skins: {result.Inserted} inserted, "
             + $"{result.Updated} updated, "
-            + $"{result.Scraped - result.Inserted - result.Updated} unchanged.");
+            + $"{result.Loaded - result.Inserted - result.Updated} unchanged "
+            + $"({result.WeaponsCreated} weapons, {result.CollectionsCreated} collections created).");
     }
 
     return 0;
@@ -70,10 +104,7 @@ static async Task<int> SyncWeaponsAsync(bool force, bool dryRun, CancellationTok
 static HttpClient CreateHttpClient()
 {
     var http = new HttpClient();
-    // The wiki is fronted by Cloudflare; a browser-like User-Agent is accepted
+    http.Timeout = TimeSpan.FromMinutes(2);
-    // on the MediaWiki API endpoint the scraper uses.
+    http.DefaultRequestHeaders.UserAgent.ParseAdd("BlueLaminate.Cli");
-    http.DefaultRequestHeaders.UserAgent.ParseAdd(
-        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
-        + "(KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36");
     return http;
 }

BlueLaminate/BlueLaminate.Cli/SkinSyncService.cs

@@ -0,0 +1,201 @@
+using BlueLaminate.EFCore.Data;
+using BlueLaminate.EFCore.Entities;
+using BlueLaminate.Scraper.Skins;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace BlueLaminate.Cli;
+
+/// <param name="Skipped">True when the monthly throttle suppressed the run.</param>
+/// <param name="LastRanAt">When the previous successful run happened, if any.</param>
+public sealed record SkinSyncResult(
+    bool Skipped,
+    DateTimeOffset? LastRanAt,
+    int Loaded,
+    int Inserted,
+    int Updated,
+    int WeaponsCreated,
+    int CollectionsCreated);
+
+/// <summary>
+/// Loads the CS2 skin catalogue from the CSGO-API dataset and upserts it. The
+/// weapon list and the collections/containers are derived from the skins
+/// themselves, so any that are missing are created on the fly and no skin is
+/// dropped. Throttled to once a month unless forced, since the catalogue changes
+/// slowly.
+/// </summary>
+public sealed class SkinSyncService
+{
+    public const string Source = "skins";
+
+    private readonly SkinTrackerDbContext _db;
+    private readonly SkinCatalogClient _client;
+    private readonly ILogger<SkinSyncService> _logger;
+
+    public SkinSyncService(
+        SkinTrackerDbContext db,
+        SkinCatalogClient client,
+        ILogger<SkinSyncService> logger)
+    {
+        _db = db;
+        _client = client;
+        _logger = logger;
+    }
+
+    public async Task<SkinSyncResult> SyncAsync(bool force = false, CancellationToken ct = default)
+    {
+        var now = DateTimeOffset.UtcNow;
+
+        var lastRanAt = await _db.ScrapeRuns
+            .Where(r => r.Source == Source)
+            .OrderByDescending(r => r.RanAt)
+            .Select(r => (DateTimeOffset?)r.RanAt)
+            .FirstOrDefaultAsync(ct);
+
+        if (!force && lastRanAt is { } last && last.AddMonths(1) > now)
+        {
+            _logger.LogInformation(
+                "Skipping skin sync; last run was {LastRanAt:u} (throttled to monthly).", last);
+            return new SkinSyncResult(true, last, 0, 0, 0, 0, 0);
+        }
+
+        _logger.LogInformation("Starting skin sync (force: {Force}).", force);
+        var catalog = await _client.FetchAsync(ct);
+        _logger.LogInformation("Loaded {Count} skins from the catalogue.", catalog.Count);
+
+        var weapons = await _db.Weapons.ToDictionaryAsync(w => w.Name, ct);
+        var collections = await _db.Collections.ToDictionaryAsync(c => c.Slug, ct);
+        var existing = await _db.Skins
+            .Include(s => s.Collections)
+            .ToDictionaryAsync(s => s.Slug, ct);
+
+        var inserted = 0;
+        var updated = 0;
+        var weaponsCreated = 0;
+        var collectionsCreated = 0;
+
+        foreach (var s in catalog)
+        {
+            var weapon = ResolveWeapon(weapons, s, ref weaponsCreated);
+            var sources = ResolveCollections(collections, s, ref collectionsCreated);
+
+            if (existing.TryGetValue(s.Id, out var skin))
+            {
+                if (Apply(skin, s, weapon, sources))
+                    updated++;
+            }
+            else
+            {
+                skin = new Skin { Slug = s.Id };
+                Apply(skin, s, weapon, sources);
+                _db.Skins.Add(skin);
+                existing[s.Id] = skin;
+                inserted++;
+            }
+        }
+
+        _db.ScrapeRuns.Add(new ScrapeRun { Source = Source, RanAt = now, ItemCount = catalog.Count });
+        await _db.SaveChangesAsync(ct);
+
+        _logger.LogInformation(
+            "Skin sync complete: {Loaded} loaded, {Inserted} inserted, {Updated} updated, "
+            + "{WeaponsCreated} weapons created, {CollectionsCreated} collections created.",
+            catalog.Count, inserted, updated, weaponsCreated, collectionsCreated);
+
+        return new SkinSyncResult(
+            false, lastRanAt, catalog.Count, inserted, updated, weaponsCreated, collectionsCreated);
+    }
+
+    private Weapon ResolveWeapon(Dictionary<string, Weapon> weapons, CatalogSkin s, ref int created)
+    {
+        if (weapons.TryGetValue(s.WeaponName, out var weapon))
+        {
+            // Category/team can be refined as the catalogue grows; keep them current.
+            weapon.Type = s.Category;
+            weapon.Team = s.Team;
+            return weapon;
+        }
+
+        weapon = new Weapon { Name = s.WeaponName, Type = s.Category, Team = s.Team };
+        _db.Weapons.Add(weapon);
+        weapons[s.WeaponName] = weapon;
+        created++;
+        return weapon;
+    }
+
+    private List<Collection> ResolveCollections(
+        Dictionary<string, Collection> collections, CatalogSkin s, ref int created)
+    {
+        var resolved = new List<Collection>(s.Sources.Count);
+        foreach (var source in s.Sources)
+        {
+            if (!collections.TryGetValue(source.Id, out var collection))
+            {
+                collection = new Collection { Slug = source.Id, Name = source.Name, Type = source.Type };
+                _db.Collections.Add(collection);
+                collections[source.Id] = collection;
+                created++;
+            }
+            resolved.Add(collection);
+        }
+        return resolved;
+    }
+
+    // Copies catalogue values onto the entity. Returns true if anything changed.
+    // The weapon navigation is assigned directly (a newly created weapon has no
+    // id yet to compare against, so reference-assigning is the only correct way
+    // to wire the FK). The collection links are reconciled against the current set.
+    private static bool Apply(Skin skin, CatalogSkin s, Weapon weapon, List<Collection> sources)
+    {
+        skin.Weapon = weapon;
+
+        var changed = false;
+
+        void Set<T>(Func<T> get, Action<T> set, T value)
+        {
+            if (!EqualityComparer<T>.Default.Equals(get(), value))
+            {
+                set(value);
+                changed = true;
+            }
+        }
+
+        Set(() => skin.Name, v => skin.Name = v, s.Name);
+        Set(() => skin.Rarity, v => skin.Rarity = v, s.Rarity);
+        Set(() => skin.Description, v => skin.Description = v, s.Description);
+        Set(() => skin.ImageUrl, v => skin.ImageUrl = v, s.ImageUrl);
+        Set(() => skin.StatTrakAvailable, v => skin.StatTrakAvailable = v, s.StatTrakAvailable);
+        Set(() => skin.SouvenirAvailable, v => skin.SouvenirAvailable = v, s.SouvenirAvailable);
+        Set<decimal?>(() => skin.FloatMin, v => skin.FloatMin = v, s.FloatMin);
+        Set<decimal?>(() => skin.FloatMax, v => skin.FloatMax = v, s.FloatMax);
+
+        if (ReconcileCollections(skin.Collections, sources))
+            changed = true;
+
+        return changed;
+    }
+
+    // Adds collections the skin newly belongs to and removes ones it no longer
+    // does, comparing by slug. Returns true if the set changed.
+    private static bool ReconcileCollections(ICollection<Collection> current, List<Collection> desired)
+    {
+        var changed = false;
+
+        foreach (var collection in desired)
+        {
+            if (!current.Any(c => c.Slug == collection.Slug))
+            {
+                current.Add(collection);
+                changed = true;
+            }
+        }
+
+        foreach (var collection in current.Where(c => desired.All(d => d.Slug != c.Slug)).ToList())
+        {
+            current.Remove(collection);
+            changed = true;
+        }
+
+        return changed;
+    }
+}

BlueLaminate/BlueLaminate.Cli/WeaponSyncService.cs

@@ -1,77 +0,0 @@
-using BlueLaminate.EFCore.Data;
-using BlueLaminate.EFCore.Entities;
-using BlueLaminate.Scraper.Weapons;
-using Microsoft.EntityFrameworkCore;
-
-namespace BlueLaminate.Cli;
-
-/// <param name="Skipped">True when the monthly throttle suppressed the run.</param>
-/// <param name="LastRanAt">When the previous successful run happened, if any.</param>
-public sealed record WeaponSyncResult(
-    bool Skipped,
-    DateTimeOffset? LastRanAt,
-    int Scraped,
-    int Inserted,
-    int Updated);
-
-/// <summary>
-/// Fetches the CS2 weapon catalogue and upserts it into the database. The
-/// catalogue changes rarely, so a run is throttled to at most once a month
-/// unless explicitly forced.
-/// </summary>
-public sealed class WeaponSyncService
-{
-    public const string Source = "weapons";
-
-    private readonly SkinTrackerDbContext _db;
-    private readonly WeaponWikiScraper _scraper;
-
-    public WeaponSyncService(SkinTrackerDbContext db, WeaponWikiScraper scraper)
-    {
-        _db = db;
-        _scraper = scraper;
-    }
-
-    public async Task<WeaponSyncResult> SyncAsync(bool force = false, CancellationToken ct = default)
-    {
-        var now = DateTimeOffset.UtcNow;
-
-        var lastRanAt = await _db.ScrapeRuns
-            .Where(r => r.Source == Source)
-            .OrderByDescending(r => r.RanAt)
-            .Select(r => (DateTimeOffset?)r.RanAt)
-            .FirstOrDefaultAsync(ct);
-
-        if (!force && lastRanAt is { } last && last.AddMonths(1) > now)
-            return new WeaponSyncResult(Skipped: true, last, Scraped: 0, Inserted: 0, Updated: 0);
-
-        var scraped = await _scraper.ScrapeAsync(ct);
-
-        var existing = await _db.Weapons.ToDictionaryAsync(w => w.Name, ct);
-        var inserted = 0;
-        var updated = 0;
-
-        foreach (var s in scraped)
-        {
-            if (existing.TryGetValue(s.Name, out var weapon))
-            {
-                if (weapon.Type != s.Type || weapon.Team != s.Team)
-                {
-                    weapon.Type = s.Type;
-                    weapon.Team = s.Team;
-                    updated++;
-                }
-            }
-            else
-            {
-                _db.Weapons.Add(new Weapon { Name = s.Name, Type = s.Type, Team = s.Team });
-                inserted++;
-            }
-        }
-
-        _db.ScrapeRuns.Add(new ScrapeRun { Source = Source, RanAt = now, ItemCount = scraped.Count });
-        await _db.SaveChangesAsync(ct);
-
-        return new WeaponSyncResult(Skipped: false, lastRanAt, scraped.Count, inserted, updated);
-    }
-}

BlueLaminate/BlueLaminate.EFCore/Configurations/CollectionConfiguration.cs

@@ -0,0 +1,14 @@
+using BlueLaminate.EFCore.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace BlueLaminate.EFCore.Configurations;
+
+public class CollectionConfiguration : IEntityTypeConfiguration<Collection>
+{
+    public void Configure(EntityTypeBuilder<Collection> entity)
+    {
+        // Slug is the natural key the sync upserts against.
+        entity.HasIndex(e => e.Slug).IsUnique();
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Configurations/SkinConfiguration.cs

@@ -8,20 +8,27 @@ public class SkinConfiguration : IEntityTypeConfiguration<Skin>
 {
     public void Configure(EntityTypeBuilder<Skin> entity)
     {
-        entity.Property(e => e.FloatMin)
+        // Nullable: null means the catalogue gives no wear range (e.g. vanilla
-            .HasColumnType("numeric(10,9)")
+        // knives), distinct from a genuine 0.0–1.0 range.
-            .HasDefaultValue(0.0m);
+        entity.Property(e => e.FloatMin).HasColumnType("numeric(10,9)");
-        entity.Property(e => e.FloatMax)
+        entity.Property(e => e.FloatMax).HasColumnType("numeric(10,9)");
-            .HasColumnType("numeric(10,9)")
-            .HasDefaultValue(1.0m);
 
         entity.Property(e => e.TrueFloat)
             .HasComputedColumnSql("float_min = 0.0 AND float_max = 1.0", stored: true);
 
         entity.HasIndex(e => e.TrueFloat);
 
+        // Slug is the natural key the sync upserts against.
+        entity.HasIndex(e => e.Slug).IsUnique();
+
         entity.HasOne(e => e.Weapon)
             .WithMany(w => w.Skins)
             .HasForeignKey(e => e.WeaponId);
+
+        // A skin can come from many collections and containers, and each of those
+        // holds many skins.
+        entity.HasMany(e => e.Collections)
+            .WithMany(c => c.Skins)
+            .UsingEntity(join => join.ToTable("skin_collections"));
     }
 }

BlueLaminate/BlueLaminate.EFCore/Data/SkinTrackerDbContext.cs

@@ -20,6 +20,7 @@ public class SkinTrackerDbContext : DbContext
 
     public DbSet<Weapon> Weapons => Set<Weapon>();
     public DbSet<ScrapeRun> ScrapeRuns => Set<ScrapeRun>();
+    public DbSet<Collection> Collections => Set<Collection>();
     public DbSet<Skin> Skins => Set<Skin>();
     public DbSet<SkinCondition> SkinConditions => Set<SkinCondition>();
     public DbSet<SteamUser> SteamUsers => Set<SteamUser>();
@@ -38,6 +39,7 @@ public class SkinTrackerDbContext : DbContext
 
         modelBuilder.ApplyConfiguration(new WeaponConfiguration());
         modelBuilder.ApplyConfiguration(new ScrapeRunConfiguration());
+        modelBuilder.ApplyConfiguration(new CollectionConfiguration());
         modelBuilder.ApplyConfiguration(new SkinConfiguration());
         modelBuilder.ApplyConfiguration(new SkinConditionConfiguration());
         modelBuilder.ApplyConfiguration(new SteamUserConfiguration());

BlueLaminate/BlueLaminate.EFCore/Entities/Collection.cs

@@ -0,0 +1,21 @@
+namespace BlueLaminate.EFCore.Entities;
+
+/// <summary>
+/// A source a skin originates from: either an in-game collection (e.g.
+/// "The Dead Hand Collection") or a container/case (e.g. "Glove Case").
+/// </summary>
+public class Collection
+{
+    public int Id { get; set; }
+
+    public string Name { get; set; } = null!;
+
+    /// <summary>Stable id from the CSGO-API catalogue, e.g. "collection-set-community-37"
+    /// or "crate-4288". The natural key.</summary>
+    public string Slug { get; set; } = null!;
+
+    /// <summary>"Collection" or "Container".</summary>
+    public string Type { get; set; } = null!;
+
+    public ICollection<Skin> Skins { get; set; } = new List<Skin>();
+}

BlueLaminate/BlueLaminate.EFCore/Entities/Skin.cs

@@ -6,17 +6,29 @@ public class Skin
     public int WeaponId { get; set; }
     public Weapon Weapon { get; set; } = null!;
 
+    /// <summary>Stable id from the CSGO-API catalogue, e.g. "skin-e757fd7191f9". The natural key.</summary>
+    public string Slug { get; set; } = null!;
+
     public string Name { get; set; } = null!;
     public string Rarity { get; set; } = null!;
     public string? Description { get; set; }
     public string? ImageUrl { get; set; }
 
-    public decimal FloatMin { get; set; }
+    public bool StatTrakAvailable { get; set; }
-    public decimal FloatMax { get; set; }
+    public bool SouvenirAvailable { get; set; }
 
-    // Computed in the database: float_min = 0.0 AND float_max = 1.0.
+    /// <summary>Every collection and container this skin originates from.</summary>
-    // A skin with a capped float range behaves differently in tradeup calculations.
+    public ICollection<Collection> Collections { get; set; } = new List<Collection>();
-    public bool TrueFloat { get; private set; }
+
+    // Null when the catalogue gives no wear range (e.g. vanilla knives). Callers
+    // must treat null as "unknown", not as a full 0.0–1.0 range.
+    public decimal? FloatMin { get; set; }
+    public decimal? FloatMax { get; set; }
+
+    // Computed in the database: float_min = 0.0 AND float_max = 1.0; null while the
+    // bounds are unknown. A skin with a capped float range behaves differently in
+    // tradeup calculations.
+    public bool? TrueFloat { get; private set; }
 
     public ICollection<SkinCondition> Conditions { get; set; } = new List<SkinCondition>();
     public ICollection<SkinInstance> Instances { get; set; } = new List<SkinInstance>();

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529192841_AddSkinCatalogFields.Designer.cs

@@ -0,0 +1,680 @@
+// <auto-generated />
+using System;
+using BlueLaminate.EFCore.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 BlueLaminate.EFCore.Migrations
+{
+    [DbContext(typeof(SkinTrackerDbContext))]
+    [Migration("20260529192841_AddSkinCatalogFields")]
+    partial class AddSkinCatalogFields
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("skintracker")
+                .HasAnnotation("ProductVersion", "10.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_collections");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_collections_slug");
+
+                    b.ToTable("collections", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTimeOffset>("AcquiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("acquired_at");
+
+                    b.Property<string>("AssetId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("asset_id");
+
+                    b.Property<int>("SkinInstanceId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_instance_id");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_inventory_items");
+
+                    b.HasIndex("AssetId")
+                        .HasDatabaseName("ix_inventory_items_asset_id");
+
+                    b.HasIndex("SkinInstanceId")
+                        .HasDatabaseName("ix_inventory_items_skin_instance_id");
+
+                    b.HasIndex("UserId")
+                        .HasDatabaseName("ix_inventory_items_user_id");
+
+                    b.ToTable("inventory_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("currency");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasColumnName("price");
+
+                    b.Property<DateTimeOffset>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("recorded_at");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_price_histories");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_price_histories_condition_id");
+
+                    b.HasIndex("SkinId", "ConditionId", "RecordedAt")
+                        .HasDatabaseName("ix_price_histories_skin_id_condition_id_recorded_at");
+
+                    b.ToTable("price_histories", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.ScrapeRun", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ItemCount")
+                        .HasColumnType("integer")
+                        .HasColumnName("item_count");
+
+                    b.Property<DateTimeOffset>("RanAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("ran_at");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_scrape_runs");
+
+                    b.HasIndex("Source", "RanAt")
+                        .HasDatabaseName("ix_scrape_runs_source_ran_at");
+
+                    b.ToTable("scrape_runs", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("CollectionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("collection_id");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasColumnName("description");
+
+                    b.Property<decimal>("FloatMax")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("numeric(10,9)")
+                        .HasDefaultValue(1.0m)
+                        .HasColumnName("float_max");
+
+                    b.Property<decimal>("FloatMin")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("numeric(10,9)")
+                        .HasDefaultValue(0.0m)
+                        .HasColumnName("float_min");
+
+                    b.Property<string>("ImageUrl")
+                        .HasColumnType("text")
+                        .HasColumnName("image_url");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Rarity")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("rarity");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<bool>("SouvenirAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir_available");
+
+                    b.Property<bool>("StatTrakAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak_available");
+
+                    b.Property<bool>("TrueFloat")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("boolean")
+                        .HasColumnName("true_float")
+                        .HasComputedColumnSql("float_min = 0.0 AND float_max = 1.0", true);
+
+                    b.Property<int>("WeaponId")
+                        .HasColumnType("integer")
+                        .HasColumnName("weapon_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skins");
+
+                    b.HasIndex("CollectionId")
+                        .HasDatabaseName("ix_skins_collection_id");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_skins_slug");
+
+                    b.HasIndex("TrueFloat")
+                        .HasDatabaseName("ix_skins_true_float");
+
+                    b.HasIndex("WeaponId")
+                        .HasDatabaseName("ix_skins_weapon_id");
+
+                    b.ToTable("skins", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Condition")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("condition");
+
+                    b.Property<decimal>("MaxFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("max_float");
+
+                    b.Property<decimal>("MinFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("min_float");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_conditions");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_conditions_skin_id");
+
+                    b.ToTable("skin_conditions", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<DateTimeOffset>("FirstSeenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("first_seen_at");
+
+                    b.Property<decimal>("FloatValue")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_value");
+
+                    b.Property<string>("PaintSeed")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("paint_seed");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<bool>("Souvenir")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir");
+
+                    b.Property<bool>("StatTrak")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_instances");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_skin_instances_condition_id");
+
+                    b.HasIndex("FloatValue")
+                        .HasDatabaseName("ix_skin_instances_float_value");
+
+                    b.HasIndex("PaintSeed")
+                        .HasDatabaseName("ix_skin_instances_paint_seed");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_instances_skin_id");
+
+                    b.ToTable("skin_instances", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DisplayName")
+                        .HasColumnType("text")
+                        .HasColumnName("display_name");
+
+                    b.Property<DateTimeOffset>("LastSyncedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_synced_at");
+
+                    b.Property<string>("SteamId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("steam_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_steam_users");
+
+                    b.HasIndex("SteamId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_steam_users_steam_id");
+
+                    b.ToTable("steam_users", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("FromUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("from_user_id");
+
+                    b.Property<string>("SteamTradeId")
+                        .HasColumnType("text")
+                        .HasColumnName("steam_trade_id");
+
+                    b.Property<int>("ToUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("to_user_id");
+
+                    b.Property<DateTimeOffset>("TradedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("traded_at");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trades");
+
+                    b.HasIndex("FromUserId")
+                        .HasDatabaseName("ix_trades_from_user_id");
+
+                    b.HasIndex("ToUserId")
+                        .HasDatabaseName("ix_trades_to_user_id");
+
+                    b.ToTable("trades", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("InventoryItemId")
+                        .HasColumnType("integer")
+                        .HasColumnName("inventory_item_id");
+
+                    b.Property<int>("TradeId")
+                        .HasColumnType("integer")
+                        .HasColumnName("trade_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trade_items");
+
+                    b.HasIndex("InventoryItemId")
+                        .HasDatabaseName("ix_trade_items_inventory_item_id");
+
+                    b.HasIndex("TradeId")
+                        .HasDatabaseName("ix_trade_items_trade_id");
+
+                    b.ToTable("trade_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Team")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("team");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_weapons");
+
+                    b.HasIndex("Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_weapons_name");
+
+                    b.ToTable("weapons", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinInstance", "SkinInstance")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("SkinInstanceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_skin_instances_skin_instance_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "User")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_steam_users_user_id");
+
+                    b.Navigation("SkinInstance");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Collection", "Collection")
+                        .WithMany("Skins")
+                        .HasForeignKey("CollectionId")
+                        .OnDelete(DeleteBehavior.SetNull)
+                        .HasConstraintName("fk_skins_collections_collection_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Weapon", "Weapon")
+                        .WithMany("Skins")
+                        .HasForeignKey("WeaponId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skins_weapons_weapon_id");
+
+                    b.Navigation("Collection");
+
+                    b.Navigation("Weapon");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Conditions")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_conditions_skins_skin_id");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("Instances")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Instances")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "FromUser")
+                        .WithMany("TradesSent")
+                        .HasForeignKey("FromUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_from_user_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "ToUser")
+                        .WithMany("TradesReceived")
+                        .HasForeignKey("ToUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_to_user_id");
+
+                    b.Navigation("FromUser");
+
+                    b.Navigation("ToUser");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.InventoryItem", "InventoryItem")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("InventoryItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_inventory_items_inventory_item_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Trade", "Trade")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("TradeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_trades_trade_id");
+
+                    b.Navigation("InventoryItem");
+
+                    b.Navigation("Trade");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Navigation("Skins");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Navigation("Conditions");
+
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Navigation("InventoryItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Navigation("InventoryItems");
+
+                    b.Navigation("TradesReceived");
+
+                    b.Navigation("TradesSent");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Navigation("Skins");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529192841_AddSkinCatalogFields.cs

@@ -0,0 +1,135 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace BlueLaminate.EFCore.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddSkinCatalogFields : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "collection_id",
+                schema: "skintracker",
+                table: "skins",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "slug",
+                schema: "skintracker",
+                table: "skins",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "souvenir_available",
+                schema: "skintracker",
+                table: "skins",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "stat_trak_available",
+                schema: "skintracker",
+                table: "skins",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.CreateTable(
+                name: "collections",
+                schema: "skintracker",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    name = table.Column<string>(type: "text", nullable: false),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    type = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_collections", x => x.id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_skins_collection_id",
+                schema: "skintracker",
+                table: "skins",
+                column: "collection_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_skins_slug",
+                schema: "skintracker",
+                table: "skins",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_collections_slug",
+                schema: "skintracker",
+                table: "collections",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "fk_skins_collections_collection_id",
+                schema: "skintracker",
+                table: "skins",
+                column: "collection_id",
+                principalSchema: "skintracker",
+                principalTable: "collections",
+                principalColumn: "id",
+                onDelete: ReferentialAction.SetNull);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "fk_skins_collections_collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropTable(
+                name: "collections",
+                schema: "skintracker");
+
+            migrationBuilder.DropIndex(
+                name: "ix_skins_collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropIndex(
+                name: "ix_skins_slug",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropColumn(
+                name: "collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropColumn(
+                name: "slug",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropColumn(
+                name: "souvenir_available",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropColumn(
+                name: "stat_trak_available",
+                schema: "skintracker",
+                table: "skins");
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529200100_MakeSkinFloatsNullable.Designer.cs

@@ -0,0 +1,676 @@
+// <auto-generated />
+using System;
+using BlueLaminate.EFCore.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 BlueLaminate.EFCore.Migrations
+{
+    [DbContext(typeof(SkinTrackerDbContext))]
+    [Migration("20260529200100_MakeSkinFloatsNullable")]
+    partial class MakeSkinFloatsNullable
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("skintracker")
+                .HasAnnotation("ProductVersion", "10.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_collections");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_collections_slug");
+
+                    b.ToTable("collections", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTimeOffset>("AcquiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("acquired_at");
+
+                    b.Property<string>("AssetId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("asset_id");
+
+                    b.Property<int>("SkinInstanceId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_instance_id");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_inventory_items");
+
+                    b.HasIndex("AssetId")
+                        .HasDatabaseName("ix_inventory_items_asset_id");
+
+                    b.HasIndex("SkinInstanceId")
+                        .HasDatabaseName("ix_inventory_items_skin_instance_id");
+
+                    b.HasIndex("UserId")
+                        .HasDatabaseName("ix_inventory_items_user_id");
+
+                    b.ToTable("inventory_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("currency");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasColumnName("price");
+
+                    b.Property<DateTimeOffset>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("recorded_at");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_price_histories");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_price_histories_condition_id");
+
+                    b.HasIndex("SkinId", "ConditionId", "RecordedAt")
+                        .HasDatabaseName("ix_price_histories_skin_id_condition_id_recorded_at");
+
+                    b.ToTable("price_histories", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.ScrapeRun", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ItemCount")
+                        .HasColumnType("integer")
+                        .HasColumnName("item_count");
+
+                    b.Property<DateTimeOffset>("RanAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("ran_at");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_scrape_runs");
+
+                    b.HasIndex("Source", "RanAt")
+                        .HasDatabaseName("ix_scrape_runs_source_ran_at");
+
+                    b.ToTable("scrape_runs", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("CollectionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("collection_id");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasColumnName("description");
+
+                    b.Property<decimal?>("FloatMax")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_max");
+
+                    b.Property<decimal?>("FloatMin")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_min");
+
+                    b.Property<string>("ImageUrl")
+                        .HasColumnType("text")
+                        .HasColumnName("image_url");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Rarity")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("rarity");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<bool>("SouvenirAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir_available");
+
+                    b.Property<bool>("StatTrakAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak_available");
+
+                    b.Property<bool?>("TrueFloat")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("boolean")
+                        .HasColumnName("true_float")
+                        .HasComputedColumnSql("float_min = 0.0 AND float_max = 1.0", true);
+
+                    b.Property<int>("WeaponId")
+                        .HasColumnType("integer")
+                        .HasColumnName("weapon_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skins");
+
+                    b.HasIndex("CollectionId")
+                        .HasDatabaseName("ix_skins_collection_id");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_skins_slug");
+
+                    b.HasIndex("TrueFloat")
+                        .HasDatabaseName("ix_skins_true_float");
+
+                    b.HasIndex("WeaponId")
+                        .HasDatabaseName("ix_skins_weapon_id");
+
+                    b.ToTable("skins", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Condition")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("condition");
+
+                    b.Property<decimal>("MaxFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("max_float");
+
+                    b.Property<decimal>("MinFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("min_float");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_conditions");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_conditions_skin_id");
+
+                    b.ToTable("skin_conditions", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<DateTimeOffset>("FirstSeenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("first_seen_at");
+
+                    b.Property<decimal>("FloatValue")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_value");
+
+                    b.Property<string>("PaintSeed")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("paint_seed");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<bool>("Souvenir")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir");
+
+                    b.Property<bool>("StatTrak")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_instances");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_skin_instances_condition_id");
+
+                    b.HasIndex("FloatValue")
+                        .HasDatabaseName("ix_skin_instances_float_value");
+
+                    b.HasIndex("PaintSeed")
+                        .HasDatabaseName("ix_skin_instances_paint_seed");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_instances_skin_id");
+
+                    b.ToTable("skin_instances", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DisplayName")
+                        .HasColumnType("text")
+                        .HasColumnName("display_name");
+
+                    b.Property<DateTimeOffset>("LastSyncedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_synced_at");
+
+                    b.Property<string>("SteamId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("steam_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_steam_users");
+
+                    b.HasIndex("SteamId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_steam_users_steam_id");
+
+                    b.ToTable("steam_users", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("FromUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("from_user_id");
+
+                    b.Property<string>("SteamTradeId")
+                        .HasColumnType("text")
+                        .HasColumnName("steam_trade_id");
+
+                    b.Property<int>("ToUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("to_user_id");
+
+                    b.Property<DateTimeOffset>("TradedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("traded_at");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trades");
+
+                    b.HasIndex("FromUserId")
+                        .HasDatabaseName("ix_trades_from_user_id");
+
+                    b.HasIndex("ToUserId")
+                        .HasDatabaseName("ix_trades_to_user_id");
+
+                    b.ToTable("trades", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("InventoryItemId")
+                        .HasColumnType("integer")
+                        .HasColumnName("inventory_item_id");
+
+                    b.Property<int>("TradeId")
+                        .HasColumnType("integer")
+                        .HasColumnName("trade_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trade_items");
+
+                    b.HasIndex("InventoryItemId")
+                        .HasDatabaseName("ix_trade_items_inventory_item_id");
+
+                    b.HasIndex("TradeId")
+                        .HasDatabaseName("ix_trade_items_trade_id");
+
+                    b.ToTable("trade_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Team")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("team");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_weapons");
+
+                    b.HasIndex("Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_weapons_name");
+
+                    b.ToTable("weapons", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinInstance", "SkinInstance")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("SkinInstanceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_skin_instances_skin_instance_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "User")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_steam_users_user_id");
+
+                    b.Navigation("SkinInstance");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Collection", "Collection")
+                        .WithMany("Skins")
+                        .HasForeignKey("CollectionId")
+                        .OnDelete(DeleteBehavior.SetNull)
+                        .HasConstraintName("fk_skins_collections_collection_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Weapon", "Weapon")
+                        .WithMany("Skins")
+                        .HasForeignKey("WeaponId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skins_weapons_weapon_id");
+
+                    b.Navigation("Collection");
+
+                    b.Navigation("Weapon");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Conditions")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_conditions_skins_skin_id");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("Instances")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Instances")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "FromUser")
+                        .WithMany("TradesSent")
+                        .HasForeignKey("FromUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_from_user_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "ToUser")
+                        .WithMany("TradesReceived")
+                        .HasForeignKey("ToUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_to_user_id");
+
+                    b.Navigation("FromUser");
+
+                    b.Navigation("ToUser");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.InventoryItem", "InventoryItem")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("InventoryItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_inventory_items_inventory_item_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Trade", "Trade")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("TradeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_trades_trade_id");
+
+                    b.Navigation("InventoryItem");
+
+                    b.Navigation("Trade");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Navigation("Skins");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Navigation("Conditions");
+
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Navigation("InventoryItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Navigation("InventoryItems");
+
+                    b.Navigation("TradesReceived");
+
+                    b.Navigation("TradesSent");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Navigation("Skins");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529200100_MakeSkinFloatsNullable.cs

@@ -0,0 +1,87 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace BlueLaminate.EFCore.Migrations
+{
+    /// <inheritdoc />
+    public partial class MakeSkinFloatsNullable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<decimal>(
+                name: "float_min",
+                schema: "skintracker",
+                table: "skins",
+                type: "numeric(10,9)",
+                nullable: true,
+                oldClrType: typeof(decimal),
+                oldType: "numeric(10,9)",
+                oldDefaultValue: 0.0m);
+
+            migrationBuilder.AlterColumn<decimal>(
+                name: "float_max",
+                schema: "skintracker",
+                table: "skins",
+                type: "numeric(10,9)",
+                nullable: true,
+                oldClrType: typeof(decimal),
+                oldType: "numeric(10,9)",
+                oldDefaultValue: 1.0m);
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "true_float",
+                schema: "skintracker",
+                table: "skins",
+                type: "boolean",
+                nullable: true,
+                computedColumnSql: "float_min = 0.0 AND float_max = 1.0",
+                stored: true,
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldComputedColumnSql: "float_min = 0.0 AND float_max = 1.0",
+                oldStored: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<decimal>(
+                name: "float_min",
+                schema: "skintracker",
+                table: "skins",
+                type: "numeric(10,9)",
+                nullable: false,
+                defaultValue: 0.0m,
+                oldClrType: typeof(decimal),
+                oldType: "numeric(10,9)",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<decimal>(
+                name: "float_max",
+                schema: "skintracker",
+                table: "skins",
+                type: "numeric(10,9)",
+                nullable: false,
+                defaultValue: 1.0m,
+                oldClrType: typeof(decimal),
+                oldType: "numeric(10,9)",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<bool>(
+                name: "true_float",
+                schema: "skintracker",
+                table: "skins",
+                type: "boolean",
+                nullable: false,
+                computedColumnSql: "float_min = 0.0 AND float_max = 1.0",
+                stored: true,
+                oldClrType: typeof(bool),
+                oldType: "boolean",
+                oldNullable: true,
+                oldComputedColumnSql: "float_min = 0.0 AND float_max = 1.0",
+                oldStored: true);
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529211544_UseStaticSkinCatalog.Designer.cs

@@ -0,0 +1,692 @@
+// <auto-generated />
+using System;
+using BlueLaminate.EFCore.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 BlueLaminate.EFCore.Migrations
+{
+    [DbContext(typeof(SkinTrackerDbContext))]
+    [Migration("20260529211544_UseStaticSkinCatalog")]
+    partial class UseStaticSkinCatalog
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasDefaultSchema("skintracker")
+                .HasAnnotation("ProductVersion", "10.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_collections");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_collections_slug");
+
+                    b.ToTable("collections", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTimeOffset>("AcquiredAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("acquired_at");
+
+                    b.Property<string>("AssetId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("asset_id");
+
+                    b.Property<int>("SkinInstanceId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_instance_id");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_inventory_items");
+
+                    b.HasIndex("AssetId")
+                        .HasDatabaseName("ix_inventory_items_asset_id");
+
+                    b.HasIndex("SkinInstanceId")
+                        .HasDatabaseName("ix_inventory_items_skin_instance_id");
+
+                    b.HasIndex("UserId")
+                        .HasDatabaseName("ix_inventory_items_user_id");
+
+                    b.ToTable("inventory_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<string>("Currency")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("currency");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("numeric(18,2)")
+                        .HasColumnName("price");
+
+                    b.Property<DateTimeOffset>("RecordedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("recorded_at");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_price_histories");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_price_histories_condition_id");
+
+                    b.HasIndex("SkinId", "ConditionId", "RecordedAt")
+                        .HasDatabaseName("ix_price_histories_skin_id_condition_id_recorded_at");
+
+                    b.ToTable("price_histories", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.ScrapeRun", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ItemCount")
+                        .HasColumnType("integer")
+                        .HasColumnName("item_count");
+
+                    b.Property<DateTimeOffset>("RanAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("ran_at");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("source");
+
+                    b.HasKey("Id")
+                        .HasName("pk_scrape_runs");
+
+                    b.HasIndex("Source", "RanAt")
+                        .HasDatabaseName("ix_scrape_runs_source_ran_at");
+
+                    b.ToTable("scrape_runs", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasColumnName("description");
+
+                    b.Property<decimal?>("FloatMax")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_max");
+
+                    b.Property<decimal?>("FloatMin")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_min");
+
+                    b.Property<string>("ImageUrl")
+                        .HasColumnType("text")
+                        .HasColumnName("image_url");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Rarity")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("rarity");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<bool>("SouvenirAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir_available");
+
+                    b.Property<bool>("StatTrakAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak_available");
+
+                    b.Property<bool?>("TrueFloat")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("boolean")
+                        .HasColumnName("true_float")
+                        .HasComputedColumnSql("float_min = 0.0 AND float_max = 1.0", true);
+
+                    b.Property<int>("WeaponId")
+                        .HasColumnType("integer")
+                        .HasColumnName("weapon_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skins");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_skins_slug");
+
+                    b.HasIndex("TrueFloat")
+                        .HasDatabaseName("ix_skins_true_float");
+
+                    b.HasIndex("WeaponId")
+                        .HasDatabaseName("ix_skins_weapon_id");
+
+                    b.ToTable("skins", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Condition")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("condition");
+
+                    b.Property<decimal>("MaxFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("max_float");
+
+                    b.Property<decimal>("MinFloat")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("min_float");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_conditions");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_conditions_skin_id");
+
+                    b.ToTable("skin_conditions", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ConditionId")
+                        .HasColumnType("integer")
+                        .HasColumnName("condition_id");
+
+                    b.Property<DateTimeOffset>("FirstSeenAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("first_seen_at");
+
+                    b.Property<decimal>("FloatValue")
+                        .HasColumnType("numeric(10,9)")
+                        .HasColumnName("float_value");
+
+                    b.Property<string>("PaintSeed")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("paint_seed");
+
+                    b.Property<int>("SkinId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skin_id");
+
+                    b.Property<bool>("Souvenir")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir");
+
+                    b.Property<bool>("StatTrak")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak");
+
+                    b.HasKey("Id")
+                        .HasName("pk_skin_instances");
+
+                    b.HasIndex("ConditionId")
+                        .HasDatabaseName("ix_skin_instances_condition_id");
+
+                    b.HasIndex("FloatValue")
+                        .HasDatabaseName("ix_skin_instances_float_value");
+
+                    b.HasIndex("PaintSeed")
+                        .HasDatabaseName("ix_skin_instances_paint_seed");
+
+                    b.HasIndex("SkinId")
+                        .HasDatabaseName("ix_skin_instances_skin_id");
+
+                    b.ToTable("skin_instances", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DisplayName")
+                        .HasColumnType("text")
+                        .HasColumnName("display_name");
+
+                    b.Property<DateTimeOffset>("LastSyncedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_synced_at");
+
+                    b.Property<string>("SteamId")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("steam_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_steam_users");
+
+                    b.HasIndex("SteamId")
+                        .IsUnique()
+                        .HasDatabaseName("ix_steam_users_steam_id");
+
+                    b.ToTable("steam_users", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("FromUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("from_user_id");
+
+                    b.Property<string>("SteamTradeId")
+                        .HasColumnType("text")
+                        .HasColumnName("steam_trade_id");
+
+                    b.Property<int>("ToUserId")
+                        .HasColumnType("integer")
+                        .HasColumnName("to_user_id");
+
+                    b.Property<DateTimeOffset>("TradedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("traded_at");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trades");
+
+                    b.HasIndex("FromUserId")
+                        .HasDatabaseName("ix_trades_from_user_id");
+
+                    b.HasIndex("ToUserId")
+                        .HasDatabaseName("ix_trades_to_user_id");
+
+                    b.ToTable("trades", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("InventoryItemId")
+                        .HasColumnType("integer")
+                        .HasColumnName("inventory_item_id");
+
+                    b.Property<int>("TradeId")
+                        .HasColumnType("integer")
+                        .HasColumnName("trade_id");
+
+                    b.HasKey("Id")
+                        .HasName("pk_trade_items");
+
+                    b.HasIndex("InventoryItemId")
+                        .HasDatabaseName("ix_trade_items_inventory_item_id");
+
+                    b.HasIndex("TradeId")
+                        .HasDatabaseName("ix_trade_items_trade_id");
+
+                    b.ToTable("trade_items", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Team")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("team");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_weapons");
+
+                    b.HasIndex("Name")
+                        .IsUnique()
+                        .HasDatabaseName("ix_weapons_name");
+
+                    b.ToTable("weapons", "skintracker");
+                });
+
+            modelBuilder.Entity("CollectionSkin", b =>
+                {
+                    b.Property<int>("CollectionsId")
+                        .HasColumnType("integer")
+                        .HasColumnName("collections_id");
+
+                    b.Property<int>("SkinsId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skins_id");
+
+                    b.HasKey("CollectionsId", "SkinsId")
+                        .HasName("pk_skin_collections");
+
+                    b.HasIndex("SkinsId")
+                        .HasDatabaseName("ix_skin_collections_skins_id");
+
+                    b.ToTable("skin_collections", "skintracker");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinInstance", "SkinInstance")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("SkinInstanceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_skin_instances_skin_instance_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "User")
+                        .WithMany("InventoryItems")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_inventory_items_steam_users_user_id");
+
+                    b.Navigation("SkinInstance");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.PriceHistory", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("PriceHistories")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_price_histories_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Weapon", "Weapon")
+                        .WithMany("Skins")
+                        .HasForeignKey("WeaponId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skins_weapons_weapon_id");
+
+                    b.Navigation("Weapon");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Conditions")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_conditions_skins_skin_id");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SkinCondition", "Condition")
+                        .WithMany("Instances")
+                        .HasForeignKey("ConditionId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skin_conditions_condition_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", "Skin")
+                        .WithMany("Instances")
+                        .HasForeignKey("SkinId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_instances_skins_skin_id");
+
+                    b.Navigation("Condition");
+
+                    b.Navigation("Skin");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "FromUser")
+                        .WithMany("TradesSent")
+                        .HasForeignKey("FromUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_from_user_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.SteamUser", "ToUser")
+                        .WithMany("TradesReceived")
+                        .HasForeignKey("ToUserId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired()
+                        .HasConstraintName("fk_trades_steam_users_to_user_id");
+
+                    b.Navigation("FromUser");
+
+                    b.Navigation("ToUser");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.TradeItem", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.InventoryItem", "InventoryItem")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("InventoryItemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_inventory_items_inventory_item_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Trade", "Trade")
+                        .WithMany("TradeItems")
+                        .HasForeignKey("TradeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_trade_items_trades_trade_id");
+
+                    b.Navigation("InventoryItem");
+
+                    b.Navigation("Trade");
+                });
+
+            modelBuilder.Entity("CollectionSkin", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Collection", null)
+                        .WithMany()
+                        .HasForeignKey("CollectionsId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_collections_collections_collections_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", null)
+                        .WithMany()
+                        .HasForeignKey("SkinsId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_collections_skins_skins_id");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Skin", b =>
+                {
+                    b.Navigation("Conditions");
+
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinCondition", b =>
+                {
+                    b.Navigation("Instances");
+
+                    b.Navigation("PriceHistories");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SkinInstance", b =>
+                {
+                    b.Navigation("InventoryItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.SteamUser", b =>
+                {
+                    b.Navigation("InventoryItems");
+
+                    b.Navigation("TradesReceived");
+
+                    b.Navigation("TradesSent");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Trade", b =>
+                {
+                    b.Navigation("TradeItems");
+                });
+
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Weapon", b =>
+                {
+                    b.Navigation("Skins");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/20260529211544_UseStaticSkinCatalog.cs

@@ -0,0 +1,93 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace BlueLaminate.EFCore.Migrations
+{
+    /// <inheritdoc />
+    public partial class UseStaticSkinCatalog : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "fk_skins_collections_collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropIndex(
+                name: "ix_skins_collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.DropColumn(
+                name: "collection_id",
+                schema: "skintracker",
+                table: "skins");
+
+            migrationBuilder.CreateTable(
+                name: "skin_collections",
+                schema: "skintracker",
+                columns: table => new
+                {
+                    collections_id = table.Column<int>(type: "integer", nullable: false),
+                    skins_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_skin_collections", x => new { x.collections_id, x.skins_id });
+                    table.ForeignKey(
+                        name: "fk_skin_collections_collections_collections_id",
+                        column: x => x.collections_id,
+                        principalSchema: "skintracker",
+                        principalTable: "collections",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_skin_collections_skins_skins_id",
+                        column: x => x.skins_id,
+                        principalSchema: "skintracker",
+                        principalTable: "skins",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_skin_collections_skins_id",
+                schema: "skintracker",
+                table: "skin_collections",
+                column: "skins_id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "skin_collections",
+                schema: "skintracker");
+
+            migrationBuilder.AddColumn<int>(
+                name: "collection_id",
+                schema: "skintracker",
+                table: "skins",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_skins_collection_id",
+                schema: "skintracker",
+                table: "skins",
+                column: "collection_id");
+
+            migrationBuilder.AddForeignKey(
+                name: "fk_skins_collections_collection_id",
+                schema: "skintracker",
+                table: "skins",
+                column: "collection_id",
+                principalSchema: "skintracker",
+                principalTable: "collections",
+                principalColumn: "id",
+                onDelete: ReferentialAction.SetNull);
+        }
+    }
+}

BlueLaminate/BlueLaminate.EFCore/Migrations/SkinTrackerDbContextModelSnapshot.cs

@@ -23,6 +23,40 @@ namespace BlueLaminate.EFCore.Migrations
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("BlueLaminate.EFCore.Entities.Collection", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("type");
+
+                    b.HasKey("Id")
+                        .HasName("pk_collections");
+
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_collections_slug");
+
+                    b.ToTable("collections", "skintracker");
+                });
+
             modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
                 {
                     b.Property<int>("Id")
@@ -156,16 +190,12 @@ namespace BlueLaminate.EFCore.Migrations
                         .HasColumnType("text")
                         .HasColumnName("description");
 
-                    b.Property<decimal>("FloatMax")
+                    b.Property<decimal?>("FloatMax")
-                        .ValueGeneratedOnAdd()
                         .HasColumnType("numeric(10,9)")
-                        .HasDefaultValue(1.0m)
                         .HasColumnName("float_max");
 
-                    b.Property<decimal>("FloatMin")
+                    b.Property<decimal?>("FloatMin")
-                        .ValueGeneratedOnAdd()
                         .HasColumnType("numeric(10,9)")
-                        .HasDefaultValue(0.0m)
                         .HasColumnName("float_min");
 
                     b.Property<string>("ImageUrl")
@@ -182,7 +212,20 @@ namespace BlueLaminate.EFCore.Migrations
                         .HasColumnType("text")
                         .HasColumnName("rarity");
 
-                    b.Property<bool>("TrueFloat")
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("slug");
+
+                    b.Property<bool>("SouvenirAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("souvenir_available");
+
+                    b.Property<bool>("StatTrakAvailable")
+                        .HasColumnType("boolean")
+                        .HasColumnName("stat_trak_available");
+
+                    b.Property<bool?>("TrueFloat")
                         .ValueGeneratedOnAddOrUpdate()
                         .HasColumnType("boolean")
                         .HasColumnName("true_float")
@@ -195,6 +238,10 @@ namespace BlueLaminate.EFCore.Migrations
                     b.HasKey("Id")
                         .HasName("pk_skins");
 
+                    b.HasIndex("Slug")
+                        .IsUnique()
+                        .HasDatabaseName("ix_skins_slug");
+
                     b.HasIndex("TrueFloat")
                         .HasDatabaseName("ix_skins_true_float");
 
@@ -427,6 +474,25 @@ namespace BlueLaminate.EFCore.Migrations
                     b.ToTable("weapons", "skintracker");
                 });
 
+            modelBuilder.Entity("CollectionSkin", b =>
+                {
+                    b.Property<int>("CollectionsId")
+                        .HasColumnType("integer")
+                        .HasColumnName("collections_id");
+
+                    b.Property<int>("SkinsId")
+                        .HasColumnType("integer")
+                        .HasColumnName("skins_id");
+
+                    b.HasKey("CollectionsId", "SkinsId")
+                        .HasName("pk_skin_collections");
+
+                    b.HasIndex("SkinsId")
+                        .HasDatabaseName("ix_skin_collections_skins_id");
+
+                    b.ToTable("skin_collections", "skintracker");
+                });
+
             modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
                 {
                     b.HasOne("BlueLaminate.EFCore.Entities.SkinInstance", "SkinInstance")
@@ -556,6 +622,23 @@ namespace BlueLaminate.EFCore.Migrations
                     b.Navigation("Trade");
                 });
 
+            modelBuilder.Entity("CollectionSkin", b =>
+                {
+                    b.HasOne("BlueLaminate.EFCore.Entities.Collection", null)
+                        .WithMany()
+                        .HasForeignKey("CollectionsId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_collections_collections_collections_id");
+
+                    b.HasOne("BlueLaminate.EFCore.Entities.Skin", null)
+                        .WithMany()
+                        .HasForeignKey("SkinsId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_skin_collections_skins_skins_id");
+                });
+
             modelBuilder.Entity("BlueLaminate.EFCore.Entities.InventoryItem", b =>
                 {
                     b.Navigation("TradeItems");

BlueLaminate/BlueLaminate.Scraper/BlueLaminate.Scraper.csproj

@@ -6,8 +6,4 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="HtmlAgilityPack" Version="1.12.4" />
-  </ItemGroup>
-
 </Project>

BlueLaminate/BlueLaminate.Scraper/Skins/CatalogSkin.cs

@@ -0,0 +1,36 @@
+namespace BlueLaminate.Scraper.Skins;
+
+/// <summary>A single CS2 skin from the CSGO-API static catalogue (skins.json).</summary>
+/// <param name="Id">Stable catalogue id, e.g. "skin-e757fd7191f9". Globally unique natural key.</param>
+/// <param name="WeaponName">Owning weapon, e.g. "AK-47", "Hand Wraps", "Bayonet".</param>
+/// <param name="Category">Weapon category, e.g. "Rifles", "Knives", "Gloves". Becomes the weapon type.</param>
+/// <param name="Team">"CT", "T", or "Both".</param>
+/// <param name="Name">Skin/pattern name, e.g. "Dragon Lore"; "Vanilla" for knives with no finish.</param>
+/// <param name="Rarity">Rarity tier, e.g. "Covert", "Classified", "Extraordinary".</param>
+/// <param name="Description">Flavour/description text, or null.</param>
+/// <param name="ImageUrl">Catalogue image URL, or null.</param>
+/// <param name="StatTrakAvailable">True if a StatTrak variant exists.</param>
+/// <param name="SouvenirAvailable">True if a Souvenir variant exists.</param>
+/// <param name="FloatMin">Minimum wear value, or null when the catalogue gives none (e.g. vanilla knives).</param>
+/// <param name="FloatMax">Maximum wear value, or null.</param>
+/// <param name="Sources">Collections and containers this skin belongs to.</param>
+public sealed record CatalogSkin(
+    string Id,
+    string WeaponName,
+    string Category,
+    string Team,
+    string Name,
+    string Rarity,
+    string? Description,
+    string? ImageUrl,
+    bool StatTrakAvailable,
+    bool SouvenirAvailable,
+    decimal? FloatMin,
+    decimal? FloatMax,
+    IReadOnlyList<CatalogSource> Sources);
+
+/// <summary>A collection or container a skin originates from.</summary>
+/// <param name="Id">Stable catalogue id, e.g. "collection-set-community-37" or "crate-4288". Natural key.</param>
+/// <param name="Name">Display name, e.g. "The Dead Hand Collection", "Glove Case".</param>
+/// <param name="Type">"Collection" or "Container".</param>
+public sealed record CatalogSource(string Id, string Name, string Type);

BlueLaminate/BlueLaminate.Scraper/Skins/SkinCatalogClient.cs

@@ -0,0 +1,105 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace BlueLaminate.Scraper.Skins;
+
+/// <summary>
+/// Loads the CS2 skin catalogue from the ByMykel/CSGO-API static dataset
+/// (skins.json) and maps it to <see cref="CatalogSkin"/> records. This replaces
+/// the old HTML scraper: one JSON file carries every skin with its weapon,
+/// category, rarity, wear range, and the collections/containers it comes from.
+/// </summary>
+public sealed class SkinCatalogClient
+{
+    public const string DefaultUrl =
+        "https://raw.githubusercontent.com/ByMykel/CSGO-API/refs/heads/main/public/api/en/skins.json";
+
+    private static readonly JsonSerializerOptions Options = new()
+    {
+        PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
+        PropertyNameCaseInsensitive = true,
+        NumberHandling = JsonNumberHandling.AllowReadingFromString,
+    };
+
+    private readonly HttpClient _http;
+    private readonly string _url;
+
+    public SkinCatalogClient(HttpClient http, string? url = null)
+    {
+        _http = http;
+        _url = url ?? DefaultUrl;
+    }
+
+    public async Task<IReadOnlyList<CatalogSkin>> FetchAsync(CancellationToken ct = default)
+    {
+        await using var stream = await _http.GetStreamAsync(_url, ct);
+        var dtos = await JsonSerializer.DeserializeAsync<List<SkinDto>>(stream, Options, ct)
+            ?? throw new InvalidOperationException("skins.json deserialized to null.");
+
+        return dtos.Select(Map).ToList();
+    }
+
+    private static CatalogSkin Map(SkinDto dto)
+    {
+        var sources = new List<CatalogSource>();
+        AddSources(sources, dto.Collections, "Collection");
+        AddSources(sources, dto.Crates, "Container");
+
+        return new CatalogSkin(
+            Id: dto.Id,
+            WeaponName: dto.Weapon?.Name ?? "Unknown",
+            Category: dto.Category?.Name ?? "Unknown",
+            Team: MapTeam(dto.Team?.Id),
+            // Knives with no finish carry a null pattern; "Vanilla" is the community term.
+            Name: dto.Pattern?.Name ?? "Vanilla",
+            Rarity: dto.Rarity?.Name ?? "Unknown",
+            Description: dto.Description,
+            ImageUrl: dto.Image,
+            StatTrakAvailable: dto.Stattrak,
+            SouvenirAvailable: dto.Souvenir,
+            FloatMin: dto.MinFloat,
+            FloatMax: dto.MaxFloat,
+            Sources: sources);
+    }
+
+    private static void AddSources(List<CatalogSource> into, List<NamedDto>? items, string type)
+    {
+        if (items is null)
+            return;
+
+        foreach (var item in items)
+        {
+            if (string.IsNullOrEmpty(item.Id) || string.IsNullOrEmpty(item.Name))
+                continue;
+            if (into.Any(s => s.Id == item.Id))
+                continue;
+            into.Add(new CatalogSource(item.Id, item.Name, type));
+        }
+    }
+
+    private static string MapTeam(string? teamId) => teamId switch
+    {
+        "terrorists" => "T",
+        "counter-terrorists" => "CT",
+        _ => "Both",
+    };
+
+    private sealed record SkinDto(
+        string Id,
+        string? Name,
+        string? Description,
+        NamedDto? Weapon,
+        NamedDto? Category,
+        NamedDto? Pattern,
+        decimal? MinFloat,
+        decimal? MaxFloat,
+        NamedDto? Rarity,
+        bool Stattrak,
+        bool Souvenir,
+        string? Image,
+        NamedDto? Team,
+        List<NamedDto>? Collections,
+        List<NamedDto>? Crates);
+
+    private sealed record NamedDto(string? Id, string? Name);
+}

BlueLaminate/BlueLaminate.Scraper/Weapons/ScrapedWeapon.cs

@@ -1,7 +0,0 @@
-namespace BlueLaminate.Scraper.Weapons;
-
-/// <summary>A single CS2 weapon parsed from the Counter-Strike wiki.</summary>
-/// <param name="Name">Display name, e.g. "AK-47".</param>
-/// <param name="Type">Category from the wiki heading, e.g. "Pistols", "Assault Rifles".</param>
-/// <param name="Team">"CT", "T", or "Both".</param>
-public sealed record ScrapedWeapon(string Name, string Type, string Team);

BlueLaminate/BlueLaminate.Scraper/Weapons/WeaponWikiScraper.cs

@@ -1,172 +0,0 @@
-using System.Text.RegularExpressions;
-using BlueLaminate.Scraper.Wiki;
-using HtmlAgilityPack;
-
-namespace BlueLaminate.Scraper.Weapons;
-
-/// <summary>
-/// Scrapes the CS2 weapon catalogue from the wiki's "Weapons" page.
-///
-/// Layout: the page has one "tabber" per weapon category, each immediately
-/// preceded by a section heading (the category / Type). Inside each tabber the
-/// "Global Offensive &amp; Counter-Strike 2" tab holds a gallery of captions —
-/// one per weapon, optionally suffixed with "(CT)" or "(T)" for team-locked
-/// weapons.
-/// </summary>
-public sealed class WeaponWikiScraper
-{
-    private const string Page = "Weapons";
-    private const string Cs2TabHash = "Global_Offensive_&_Counter-Strike_2";
-
-    // Matches a trailing "(CT)" / "(T)" team annotation, capturing the team.
-    private static readonly Regex TeamAnnotation =
-        new(@"\s*\((CT|T)\)\s*$", RegexOptions.Compiled);
-
-    // The wiki labels the default knife "Stock Knife"; drop the prefix.
-    private static readonly Regex StockPrefix =
-        new(@"^Stock\s+", RegexOptions.Compiled);
-
-    private readonly WikiPageFetcher _fetcher;
-
-    public WeaponWikiScraper(WikiPageFetcher fetcher) => _fetcher = fetcher;
-
-    public async Task<IReadOnlyList<ScrapedWeapon>> ScrapeAsync(CancellationToken ct = default)
-    {
-        var doc = await _fetcher.LoadAsync(Page, ct);
-
-        // Headings and tabbers in document order so each tabber inherits the
-        // most recent heading as its category.
-        var nodes = doc.DocumentNode.SelectNodes(
-            "//h2 | //h3 | //h4 | "
-            + "//div[contains(concat(' ', normalize-space(@class), ' '), ' tabber ')]");
-
-        var aggregator = new WeaponAggregator();
-        string? currentType = null;
-
-        if (nodes is not null)
-        {
-            foreach (var node in nodes)
-            {
-                if (node.Name is "h2" or "h3" or "h4")
-                {
-                    currentType = HeadingText(node);
-                    continue;
-                }
-
-                if (currentType is null)
-                    continue;
-
-                foreach (var caption in Cs2Captions(node))
-                    aggregator.Add(caption, currentType);
-            }
-        }
-
-        return aggregator.Build();
-    }
-
-    /// <summary>Caption texts from the CS2 tab of a single tabber, if present.</summary>
-    private static IEnumerable<string> Cs2Captions(HtmlNode tabber)
-    {
-        var tabs = tabber.SelectNodes(
-            ".//li[contains(concat(' ', normalize-space(@class), ' '), ' wds-tabs__tab ')]");
-        if (tabs is null)
-            yield break;
-
-        var index = -1;
-        for (var i = 0; i < tabs.Count; i++)
-        {
-            // HtmlAgilityPack returns attribute values un-decoded, and the wiki
-            // entity-encodes the "&" in this hash (&amp;).
-            var hash = HtmlEntity.DeEntitize(tabs[i].GetAttributeValue("data-hash", string.Empty));
-            if (hash == Cs2TabHash)
-            {
-                index = i;
-                break;
-            }
-        }
-
-        if (index < 0)
-            yield break;
-
-        var contents = tabber.SelectNodes(
-            ".//div[contains(concat(' ', normalize-space(@class), ' '), ' wds-tab__content ')]");
-        if (contents is null || index >= contents.Count)
-            yield break;
-
-        var captions = contents[index].SelectNodes(
-            ".//div[contains(concat(' ', normalize-space(@class), ' '), ' lightbox-caption ')]");
-        if (captions is null)
-            yield break;
-
-        foreach (var caption in captions)
-            yield return WikiText.Normalize(caption.InnerText);
-    }
-
-    private static string HeadingText(HtmlNode heading)
-    {
-        var headline = heading.SelectSingleNode(
-            ".//span[contains(concat(' ', normalize-space(@class), ' '), ' mw-headline ')]");
-        return WikiText.Normalize((headline ?? heading).InnerText);
-    }
-
-    /// <summary>
-    /// Collapses the per-caption rows into one weapon per name, tracking which
-    /// teams it appeared for so a weapon shown as both "(CT)" and "(T)" (or with
-    /// no annotation) resolves to "Both".
-    /// </summary>
-    private sealed class WeaponAggregator
-    {
-        private sealed class Entry
-        {
-            public required string Type { get; init; }
-            public bool SawCt;
-            public bool SawT;
-            public bool SawUnannotated;
-        }
-
-        private readonly Dictionary<string, Entry> _byName = new();
-        private readonly List<string> _order = new();
-
-        public void Add(string caption, string type)
-        {
-            if (string.IsNullOrEmpty(caption))
-                return;
-
-            var match = TeamAnnotation.Match(caption);
-            var name = TeamAnnotation.Replace(caption, string.Empty);
-            name = StockPrefix.Replace(name, string.Empty).Trim();
-            if (name.Length == 0)
-                return;
-
-            if (!_byName.TryGetValue(name, out var entry))
-            {
-                entry = new Entry { Type = type };
-                _byName[name] = entry;
-                _order.Add(name);
-            }
-
-            if (!match.Success)
-                entry.SawUnannotated = true;
-            else if (match.Groups[1].Value == "CT")
-                entry.SawCt = true;
-            else
-                entry.SawT = true;
-        }
-
-        public IReadOnlyList<ScrapedWeapon> Build()
-        {
-            var result = new List<ScrapedWeapon>(_order.Count);
-            foreach (var name in _order)
-            {
-                var e = _byName[name];
-                var team =
-                    e.SawUnannotated || (e.SawCt && e.SawT) ? "Both"
-                    : e.SawCt ? "CT"
-                    : e.SawT ? "T"
-                    : "Both";
-                result.Add(new ScrapedWeapon(name, e.Type, team));
-            }
-            return result;
-        }
-    }
-}

BlueLaminate/BlueLaminate.Scraper/Wiki/WikiPageFetcher.cs

@@ -1,51 +0,0 @@
-using System.Text.Json;
-using HtmlAgilityPack;
-
-namespace BlueLaminate.Scraper.Wiki;
-
-/// <summary>
-/// Fetches a rendered page from the Counter-Strike Fandom wiki, shared by all
-/// wiki scrapers.
-///
-/// The rendered HTML pages sit behind Cloudflare, which 403s .NET's TLS
-/// fingerprint regardless of headers. The MediaWiki <c>action=parse</c> API is
-/// not challenged, so we fetch the same content as JSON from there and return
-/// the embedded HTML as a parsed document.
-/// </summary>
-public sealed class WikiPageFetcher
-{
-    private const string ApiBase = "https://counterstrike.fandom.com/api.php";
-
-    private readonly HttpClient _http;
-
-    public WikiPageFetcher(HttpClient http) => _http = http;
-
-    /// <summary>Loads a wiki page (e.g. "Weapons") as a parsed HTML document.</summary>
-    public async Task<HtmlDocument> LoadAsync(string page, CancellationToken ct = default)
-    {
-        var url = $"{ApiBase}?action=parse&page={Uri.EscapeDataString(page)}&prop=text&format=json";
-
-        using var resp = await _http.GetAsync(url, ct);
-        resp.EnsureSuccessStatusCode();
-
-        await using var stream = await resp.Content.ReadAsStreamAsync(ct);
-        using var json = await JsonDocument.ParseAsync(stream, cancellationToken: ct);
-
-        if (json.RootElement.TryGetProperty("error", out var error))
-        {
-            var info = error.TryGetProperty("info", out var i) ? i.GetString() : "unknown error";
-            throw new InvalidOperationException($"Wiki API returned an error for page '{page}': {info}");
-        }
-
-        var html = json.RootElement
-            .GetProperty("parse")
-            .GetProperty("text")
-            .GetProperty("*")
-            .GetString()
-            ?? throw new InvalidOperationException($"Wiki API response for page '{page}' had no parsed text.");
-
-        var doc = new HtmlDocument();
-        doc.LoadHtml(html);
-        return doc;
-    }
-}

BlueLaminate/BlueLaminate.Scraper/Wiki/WikiText.cs

@@ -1,14 +0,0 @@
-using System.Text.RegularExpressions;
-using HtmlAgilityPack;
-
-namespace BlueLaminate.Scraper.Wiki;
-
-/// <summary>Text helpers shared by wiki scrapers.</summary>
-public static class WikiText
-{
-    private static readonly Regex Whitespace = new(@"\s+", RegexOptions.Compiled);
-
-    /// <summary>Decodes HTML entities and collapses whitespace runs to single spaces.</summary>
-    public static string Normalize(string raw) =>
-        Whitespace.Replace(HtmlEntity.DeEntitize(raw) ?? string.Empty, " ").Trim();
-}

db/02_readonly_role.sql

@@ -0,0 +1,37 @@
+-- ============================================================
+-- CS2 Skin Tracker — read-only reporting/BI role
+-- Run as a superuser (e.g. postgres) OR as skintracker_app,
+-- connected to the skintracker database. Safe to re-run.
+--
+-- Replace the password placeholder before running.
+-- This role can SELECT every table in the skintracker schema
+-- (existing and future) and nothing else: no INSERT/UPDATE/
+-- DELETE, no DDL, no access to other schemas.
+-- ============================================================
+
+-- 1. Login role, guarded so the script is idempotent.
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'skintracker_readonly') THEN
+        CREATE ROLE skintracker_readonly WITH LOGIN PASSWORD 'change-me-readonly-password';
+    END IF;
+END
+$$;
+
+-- 2. Allow the role to connect to the database and resolve names
+--    in the skintracker schema by default.
+GRANT CONNECT ON DATABASE skintracker TO skintracker_readonly;
+GRANT USAGE ON SCHEMA skintracker TO skintracker_readonly;
+ALTER ROLE skintracker_readonly SET search_path = skintracker;
+
+-- 3. Read access to every existing table/view in the schema.
+GRANT SELECT ON ALL TABLES IN SCHEMA skintracker TO skintracker_readonly;
+
+-- 4. Read access to tables the app role creates LATER (e.g. new
+--    migrations). Without this, future tables would not be visible.
+--    Must name the role that OWNS new objects — that is skintracker_app.
+ALTER DEFAULT PRIVILEGES FOR ROLE skintracker_app IN SCHEMA skintracker
+    GRANT SELECT ON TABLES TO skintracker_readonly;
+
+-- 5. Belt-and-braces: ensure the role can never write to public either.
+REVOKE CREATE ON SCHEMA public FROM skintracker_readonly;

db/03_catalog_audit.sql

@@ -0,0 +1,82 @@
+-- ============================================================
+-- CS2 Skin Tracker — catalog audit (read-only)
+-- Run against the skintracker database as any role with SELECT
+-- (e.g. skintracker_readonly). Pure SELECTs, safe to re-run.
+--
+-- Purpose: sanity-check the weapon/glove skin catalog for the
+-- gaps that break tradeup math and pricing joins.
+-- ============================================================
+
+SET search_path = skintracker;
+
+-- 1. Totals — quick scale check.
+SELECT 'skins' AS table, count(*) FROM skins
+UNION ALL SELECT 'weapons',          count(*) FROM weapons
+UNION ALL SELECT 'collections',      count(*) FROM collections
+UNION ALL SELECT 'skin_collections', count(*) FROM skin_collections
+UNION ALL SELECT 'skin_conditions',  count(*) FROM skin_conditions;
+
+-- 2. Orphan skins: belong to NO collection/container.
+--    Expected: only "Howl" (Contraband, removed from its collection).
+SELECT s.id, s.slug, s.name, s.rarity
+FROM skins s
+LEFT JOIN skin_collections sc ON sc.skins_id = s.id
+WHERE sc.skins_id IS NULL
+ORDER BY s.name;
+
+-- 3. Missing float bounds.
+--    Expected: only Vanilla (default) knives, which have no wear range.
+SELECT s.id, s.slug, s.name, s.float_min, s.float_max
+FROM skins s
+WHERE s.float_min IS NULL OR s.float_max IS NULL
+ORDER BY s.name;
+
+-- 4. Rarity hygiene: any nulls/blanks, and the distribution.
+SELECT coalesce(nullif(rarity, ''), '<empty/null>') AS rarity, count(*)
+FROM skins
+GROUP BY 1
+ORDER BY 2 DESC;
+
+-- 5. Inverted or out-of-range float bounds (should return 0 rows).
+SELECT id, slug, name, float_min, float_max
+FROM skins
+WHERE float_min > float_max OR float_min < 0 OR float_max > 1;
+
+-- 6. Duplicate slugs (unique index should keep this empty).
+SELECT slug, count(*)
+FROM skins
+GROUP BY slug
+HAVING count(*) > 1;
+
+-- 7. Collection type split (expect only Collection / Container).
+SELECT coalesce(type, '<null>') AS type, count(*)
+FROM collections
+GROUP BY 1
+ORDER BY 2 DESC;
+
+-- 8. Skins with no weapon link (should return 0 rows).
+SELECT s.id, s.slug
+FROM skins s
+LEFT JOIN weapons w ON w.id = s.weapon_id
+WHERE w.id IS NULL;
+
+-- 9. Skin count per weapon type — confirms only weapon/glove items.
+--    Note: Zeus x27 (type "Equipment") skins ARE valid catalog/tradeup items.
+SELECT w.type, count(s.id) AS skins
+FROM weapons w
+LEFT JOIN skins s ON s.weapon_id = w.id
+GROUP BY w.type
+ORDER BY skins DESC;
+
+-- 10. StatTrak / Souvenir availability.
+SELECT
+    sum(CASE WHEN stat_trak_available THEN 1 ELSE 0 END) AS stattrak,
+    sum(CASE WHEN souvenir_available  THEN 1 ELSE 0 END) AS souvenir,
+    count(*)                                             AS total
+FROM skins;
+
+-- 11. true_float split (capped range vs full 0.0–1.0; null = unknown bounds).
+SELECT coalesce(true_float::text, '<null>') AS true_float, count(*)
+FROM skins
+GROUP BY 1
+ORDER BY 2 DESC;