chore(codebase): full cleanup pass

backend/Modules/Identity/Handlers/RefreshToken.cs

@@ -32,7 +32,7 @@ public class RefreshTokenHandler(
         CancellationToken ct)
     {
         // Find the user using the refresh token
-        var user = await userManager.Users
+        User? user = await userManager.Users
             .FirstOrDefaultAsync(u => u.RefreshToken == request.RefreshToken, ct);
 
         if (user == null || user.RefreshTokenExpiryTime <= DateTime.UtcNow)
@@ -52,20 +52,20 @@ public class RefreshTokenHandler(
         await userManager.UpdateAsync(user);
 
         // Generate a new access token
-        var accessToken = JwtTokenHelper.GenerateJwtToken(
-            expiresIn: jwtOptions.Value.Lifetime,
-            issuer: jwtOptions.Value.Issuer,
-            audience: jwtOptions.Value.Audience,
-            key: jwtOptions.Value.Key,
-            userId: user.Id.ToString(),
-            email: user.Email ?? string.Empty,
-            alias: user.Alias,
-            firstname: user.Firstname ?? string.Empty,
-            lastname: user.Lastname ?? string.Empty,
-            portraitUrl: user.PortraitUrl);
+        string accessToken = JwtTokenHelper.GenerateJwtToken(
+            jwtOptions.Value.Lifetime,
+            jwtOptions.Value.Issuer,
+            jwtOptions.Value.Audience,
+            jwtOptions.Value.Key,
+            user.Id.ToString(),
+            user.Email ?? string.Empty,
+            user.Alias,
+            user.Firstname ?? string.Empty,
+            user.Lastname ?? string.Empty,
+            user.PortraitUrl);
 
         await SendOkAsync(
             new RefreshTokenResponse(accessToken, user.RefreshToken),
-            cancellation: ct);
+            ct);
     }
-} 
+}