chore(codebase): full cleanup pass

backend/Modules/Contents/Features/RemovePhotoFromAlbum.cs

@@ -38,14 +38,14 @@ public class RemovePhotoFromAlbumHandler(
         RemovePhotoFromAlbumRequest request,
         CancellationToken ct)
     {
-        var userId = User.GetUserId();
+        Guid userId = User.GetUserId();
 
-        var album = await context
+        Album? album = await context
             .Albums
             .Include(a => a.Photos)
             .SingleOrDefaultAsync(
                 a => a.Id == request.AlbumId && a.CreatedBy == userId,
-                cancellationToken: ct);
+                ct);
 
         if (album is null)
         {
@@ -53,7 +53,7 @@ public class RemovePhotoFromAlbumHandler(
             return;
         }
 
-        var photo = album.Photos
+        AlbumPhoto? photo = album.Photos
             .SingleOrDefault(p => p.Id == request.PhotoId);
 
         if (photo is null)
@@ -65,9 +65,9 @@ public class RemovePhotoFromAlbumHandler(
         // Soft delete the photo
         photo.DeletedBy = userId;
         photo.DeletedAt = DateTimeOffset.UtcNow;
-        
+
         await context.SaveChangesAsync(ct);
 
         await SendNoContentAsync(ct);
     }
-} 
+}