feat: Fixed errors

LctMonolith/Database/Data/DbSeeder.cs

@@ -0,0 +1,47 @@
+using LctMonolith.Models;
+using Microsoft.EntityFrameworkCore;
+using Serilog;
+
+namespace LctMonolith.Database.Data;
+
+/// <summary>
+/// Development database seeder for initial ranks, competencies, sample store items.
+/// Idempotent: checks existence before inserting.
+/// </summary>
+public static class DbSeeder
+{
+    public static async Task SeedAsync(AppDbContext db, CancellationToken ct = default)
+    {
+        await db.Database.EnsureCreatedAsync(ct);
+
+        if (!await db.Ranks.AnyAsync(ct))
+        {
+            var ranks = new List<Rank>
+            {
+                new() { Name = "Искатель", Order = 0, RequiredExperience = 0 },
+                new() { Name = "Пилот-кандидат", Order = 1, RequiredExperience = 500 },
+                new() { Name = "Принятый в экипаж", Order = 2, RequiredExperience = 1500 }
+            };
+            db.Ranks.AddRange(ranks);
+            Log.Information("Seeded {Count} ranks", ranks.Count);
+        }
+
+        if (!await db.Competencies.AnyAsync(ct))
+        {
+            var comps = new[]
+            {
+                "Вера в дело","Стремление к большему","Общение","Аналитика","Командование","Юриспруденция","Трёхмерное мышление","Базовая экономика","Основы аэронавигации"
+            }.Select(n => new Competency { Name = n });
+            db.Competencies.AddRange(comps);
+            Log.Information("Seeded competencies");
+        }
+
+        if (!await db.StoreItems.AnyAsync(ct))
+        {
+            db.StoreItems.AddRange(new StoreItem { Name = "Футболка Алабуга", Price = 100 }, new StoreItem { Name = "Брелок Буран", Price = 50 });
+            Log.Information("Seeded store items");
+        }
+
+        await db.SaveChangesAsync(ct);
+    }
+}