feat(bootstrap): StoryDeckImporter + seed model, wired after BuildDeck

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

SVSim.UnitTests/Importers/StoryDeckImporterTests.cs

@@ -0,0 +1,49 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Bootstrap.Importers;
+using SVSim.Database;
+using SVSim.Database.Enums;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Importers;
+
+public class StoryDeckImporterTests
+{
+    private static string SeedDir => Path.Combine(AppContext.BaseDirectory, "Data", "seeds");
+
+    [Test]
+    public async Task Imports_story_decks_from_seed_file()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new StoryDeckImporter().ImportAsync(db, SeedDir);
+
+        var decks = await db.StoryDecks.OrderBy(d => d.Id).ToListAsync();
+        Assert.That(decks.Count, Is.EqualTo(112), "53 build + 59 trial");
+        Assert.That(decks.Count(d => d.Kind == StoryDeckKind.Build), Is.EqualTo(53));
+        Assert.That(decks.Count(d => d.Kind == StoryDeckKind.Trial), Is.EqualTo(59));
+        var pureDevotion = decks.Single(d => d.DeckNo == 701);
+        Assert.That(pureDevotion.Kind, Is.EqualTo(StoryDeckKind.Build));
+        Assert.That(pureDevotion.ClassId, Is.EqualTo(1));
+        Assert.That(pureDevotion.DeckName, Is.EqualTo("Pure Devotion"));
+        Assert.That(pureDevotion.DeckFormat, Is.Null);
+        Assert.That(decks.Where(d => d.Kind == StoryDeckKind.Trial).All(d => d.DeckFormat != null), Is.True);
+    }
+
+    [Test]
+    public async Task Is_idempotent_on_rerun()
+    {
+        using var factory = new SVSimTestFactory();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        await new StoryDeckImporter().ImportAsync(db, SeedDir);
+        int before = await db.StoryDecks.CountAsync();
+        await new StoryDeckImporter().ImportAsync(db, SeedDir);
+        int after = await db.StoryDecks.CountAsync();
+
+        Assert.That(after, Is.EqualTo(before));
+    }
+}