chore(codebase): full cleanup pass

backend/Modules/Tipping/Data/Tip.cs

@@ -17,5 +17,5 @@ public class Tip : Entity
 public enum TipStatus : short
 {
     Pending = 0,
-    Paid = 1,
+    Paid = 1
 }

backend/Modules/Tipping/Data/TippingDbContext.cs

@@ -7,8 +7,8 @@ public sealed class TippingDbContext(
     public const string SchemaName = "Tipping";
 
     public DbSet<Tip> Tips => Set<Tip>();
-    
-    
+
+
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         modelBuilder.HasDefaultSchema(SchemaName);

backend/Modules/Tipping/DependencyInjection.cs

@@ -13,7 +13,7 @@ public static class DependencyInjection
     {
         builder.Services.AddDbContext<TippingDbContext>(configureAction);
         builder.Services.AddTransient<ITipPaymentNotifier, TipPaymentNotifier>();
-        
+
         return builder;
     }
 
@@ -21,10 +21,10 @@ public static class DependencyInjection
         this IApplicationBuilder app,
         CancellationToken cancellationToken = default)
     {
-        var scopeFactory = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>();
-        using var scope = scopeFactory.CreateScope();
-        await using var context = scope.ServiceProvider.GetRequiredService<MessagingDbContext>();
-        await context.Database.MigrateAsync(cancellationToken: cancellationToken);
+        IServiceScopeFactory scopeFactory = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>();
+        using IServiceScope scope = scopeFactory.CreateScope();
+        await using MessagingDbContext context = scope.ServiceProvider.GetRequiredService<MessagingDbContext>();
+        await context.Database.MigrateAsync(cancellationToken);
 
         return app;
     }

backend/Modules/Tipping/Handlers/GetReceivedTips.cs

@@ -24,16 +24,16 @@ public class GetReceivedTipsHandler(
     public override async Task HandleAsync(
         CancellationToken ct)
     {
-        var tips = await dbContext
+        List<Tip> tips = await dbContext
             .Tips
             .Where(tip => tip.CreatorId == User.GetUserId())
             .ToListAsync(ct);
 
-        var result = await Task.WhenAll(
+        TipReceivedModel[] result = await Task.WhenAll(
             tips.Select(async tip =>
             {
-                var tipper = await userLookup.GetUserAsync(tip.CreatorId, ct);
-                
+                UserReference? tipper = await userLookup.GetUserAsync(tip.CreatorId, ct);
+
                 return new TipReceivedModel(
                     tip.Id,
                     tip.CreatedAt,