Alignment with AA

Shared/Models/PersonDirectory.cs

@@ -1,4 +1,5 @@
 using System.Text.Json;
+using System.Text.Json.Serialization;
 
 namespace View_by_Distance.Shared.Models;
 
@@ -7,8 +8,14 @@ public record PersonDirectory(char Char, string Group, char Status, char Sex, ch
 
     public override string ToString()
     {
-        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
+        string result = JsonSerializer.Serialize(this, PersonDirectorySourceGenerationContext.Default.PersonDirectory);
         return result;
     }
 
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true, DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull)]
+[JsonSerializable(typeof(PersonDirectory))]
+public partial class PersonDirectorySourceGenerationContext : JsonSerializerContext
+{
 }