Use default json state load for PromptCard

StabilityMatrix.Avalonia/ViewModels/Inference/PromptCardViewModel.cs

@@ -1,33 +1,17 @@
-using System.Text.Json.Nodes;
-using AvaloniaEdit.Document;
+using AvaloniaEdit.Document;
+using CommunityToolkit.Mvvm.ComponentModel;
 using StabilityMatrix.Avalonia.Controls;
-using StabilityMatrix.Avalonia.Models.Inference;
 using StabilityMatrix.Core.Attributes;
 
 namespace StabilityMatrix.Avalonia.ViewModels.Inference;
 
 [View(typeof(PromptCard))]
-public class PromptCardViewModel : LoadableViewModelBase
+public partial class PromptCardViewModel : LoadableViewModelBase
 {
     public TextDocument PromptDocument { get; } = new();
     public TextDocument NegativePromptDocument { get; } = new();
 
-    /// <inheritdoc />
-    public override void LoadStateFromJsonObject(JsonObject state)
-    {
-        var model = DeserializeModel<PromptCardModel>(state);
-        
-        PromptDocument.Text = model.Prompt ?? "";
-        NegativePromptDocument.Text = model.NegativePrompt ?? "";
-    }
-
-    /// <inheritdoc />
-    public override JsonObject SaveStateToJsonObject()
-    {
-        return SerializeModel(new PromptCardModel
-        {
-            Prompt = PromptDocument.Text,
-            NegativePrompt = NegativePromptDocument.Text
-        });
-    }
+    [ObservableProperty] private int editorFontSize = 14;
+    
+    [ObservableProperty] private string editorFontFamily = "Consolas";
 }