server/AyaNova/models/User.cs

@@ -40,7 +40,7 @@ namespace AyaNova.Models
 
         //relations
         //https://docs.microsoft.com/en-us/ef/core/modeling/relationships#other-relationship-patterns
-         [JsonIgnore]
+        [JsonIgnore]//hide from being returned (as null anyway) with User object in routes
         public UserOptions UserOptions { get; set; }
 
     }

server/AyaNova/models/UserOptions.cs

@@ -20,7 +20,7 @@ namespace AyaNova.Models
 
         //relations
         //https://docs.microsoft.com/en-us/ef/core/modeling/relationships#other-relationship-patterns
-        [JsonIgnore]
+        [JsonIgnore]//hide from being returned (as null anyway) in routes
         public User User { get; set; }
         [Required]
         public long UserId { get; set; }//will be auto-set by EF due to relationship defined