Generated the JSON contracts of the stored data at compile time (#1148)

app/MindWork AI Studio/Tools/RAG/RetrievalImageContext.cs

@@ -32,7 +32,7 @@ public sealed class RetrievalImageContext : IRetrievalContext, IImageSource
     /// <remarks>
     /// Is the image source a URL, a local file path, a base64 string, etc.?
     /// </remarks>
-    public required ContentImageSource SourceType { get; init; }
+    public required ContentImageSource SourceType { get; set; }
 
     /// <summary>
     /// The image source.