chore(codebase): full cleanup pass

backend/Modules/Creators/Features/ReserveSlug.cs

@@ -4,6 +4,7 @@ using Hutopy.Infrastructure.Security;
 using Hutopy.Modules.Creators.Configuration;
 using Hutopy.Modules.Creators.Data;
 using Hutopy.Modules.Creators.Services;
+using Microsoft.EntityFrameworkCore.Storage;
 using Microsoft.Extensions.Options;
 using Npgsql;
 
@@ -45,33 +46,31 @@ public sealed class ReserveSlug(
         ReserveSlugRequest req,
         CancellationToken ct)
     {
-        await using var transaction = await context.Database.BeginTransactionAsync(ct);
+        await using IDbContextTransaction transaction = await context.Database.BeginTransactionAsync(ct);
 
         try
         {
             // First, purge any expired slugs
             await slugPurger.PurgeExpiredSlugsAsync(ct);
 
-            var reservation = await context.Slugs.FirstOrDefaultAsync(
-                s => s.Id == req.ReservationId && s.CreatedBy == User.GetUserId(), 
-                cancellationToken: ct);
+            Slugs? reservation = await context.Slugs.FirstOrDefaultAsync(
+                s => s.Id == req.ReservationId && s.CreatedBy == User.GetUserId(),
+                ct);
 
             if (reservation == null)
             {
                 reservation = new Slugs
                 {
-                    Id = req.ReservationId,
-                    CreatedBy = User.GetUserId(),
-                    CreatedAt = DateTimeOffset.UtcNow,
+                    Id = req.ReservationId, CreatedBy = User.GetUserId(), CreatedAt = DateTimeOffset.UtcNow
                 };
-                
+
                 context.Slugs.Attach(reservation);
                 context.Entry(reservation).State = EntityState.Added;
             }
 
             reservation.Name = req.Slug;
             reservation.ReservedUntil = DateTimeOffset.UtcNow + opts.Value.SlugReservationDuration;
-            
+
             await context.SaveChangesAsync(ct);
 
             await transaction.CommitAsync(ct);
@@ -81,7 +80,7 @@ public sealed class ReserveSlug(
         catch (Exception e)
         {
             await transaction.RollbackAsync(ct);
- 
+
             Logger.LogError("Transaction failed: {Message}", e.Message);
 
             if (e.InnerException is PostgresException innerException)